---
title: In a pirate film, the captain steers by the lighthouse, but every li… — Ships, ports and submarines · tree and pragmatics
description: In a pirate film, the captain steers by the lighthouse, but every lighthouse along the coast flashes the same. What is wrong? Test 6 · ★ of lesson 24 «Ships, ports and submarines» of the technology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each o
---

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# Test 6 · ★ · Ships, ports and submarines

<!-- .ven lang=en -->
In a pirate film, the captain steers by the lighthouse, but every lighthouse along the coast flashes the same. What is wrong?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** captain, lighthouse · **What happens:** steer, flash, be · **To what, where:** pirate film, same

<!-- .vabout -->
This is test 6 · ★ of lesson 24 «Ships, ports and submarines» of the technology course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/technology/24-ships-ports-and-submarines/#t6).

## The question {#question}

<!-- .note -->
*Sentence 1:* In a pirate film, the captain steers by the lighthouse, but every lighthouse along the coast flashes the same.

```conllu
# sent_id = question:technology:24-ships-ports-and-submarines:t6:1
# text = In a pirate film, the captain steers by the lighthouse, but every lighthouse along the coast flashes the same.
1	In	in	ADP	IN	_	4	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	pirate	pirate	NOUN	NN	Number=Sing	4	compound	_	_
4	film	film	NOUN	NN	Number=Sing	8	obl	_	SpaceAfter=No
5	,	,	PUNCT	,	_	4	punct	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	captain	captain	NOUN	NN	Number=Sing	8	nsubj	_	_
8	steers	steer	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	by	by	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	lighthouse	lighthouse	NOUN	NN	Number=Sing	8	obl	_	SpaceAfter=No
12	,	,	PUNCT	,	_	19	punct	_	_
13	but	but	CCONJ	CC	_	19	cc	_	_
14	every	every	DET	DT	PronType=Tot	15	det	_	_
15	lighthouse	lighthouse	NOUN	NN	Number=Sing	19	nsubj	_	_
16	along	along	ADP	IN	_	18	case	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	coast	coast	NOUN	NN	Number=Sing	15	nmod	_	_
19	flashes	flash	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
21	same	same	ADJ	JJ	Degree=Pos	19	obj	_	SpaceAfter=No
22	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **steer** | present | the captain |  |  | a pirate film |  | by the lighthouse | vn accompany-51.7 «NP V NP PP.destination»: agent=Agent in film=Destination |
| 2 | **flash** | present | every lighthouse along the coast | the same |  |  |  |  | vn light\_emission-43.1 «NP V NP.theme»: agent=Agent same=Theme |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- .note -->
*Sentence 2:* What is wrong?

```conllu
# sent_id = question:technology:24-ships-ports-and-submarines:t6:2
# text = What is wrong?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	wrong	wrong	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | wrong *property* | tree rules |

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Real lighthouses each flash their own pattern so sailors know which is which

```conllu
# sent_id = question:technology:24-ships-ports-and-submarines:t6:o1:1
# text = Real lighthouses each flash their own pattern so sailors know which is which
1	Real	real	ADJ	JJ	Degree=Pos	2	amod	_	_
2	lighthouses	lighthouse	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	each	each	DET	DT	PronType=Tot	4	advmod	_	_
4	flash	flash	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
6	own	own	ADJ	JJ	Degree=Pos	7	amod	_	_
7	pattern	pattern	NOUN	NN	Number=Sing	4	obj	_	_
8	so	so	SCONJ	IN	_	10	mark	_	_
9	sailors	sailor	NOUN	NNS	Number=Plur	10	nsubj	_	_
10	know	know	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
11	which	which	PRON	WDT	PronType=Rel	13	nsubj	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	_	_
13	which	which	PRON	WDT	PronType=Rel	10	ccomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **flash** | present | Real lighthouses | lighthouses's own pattern |  |  |  |  | vn light\_emission-43.1 «NP V NP.theme»: agent=Agent pattern=Theme |
| 2 | **know** | present | sailors |  |  |  |  |  | vn comprehend-87.2-1-1-1 «NP V»: agent=Experiencer |
| 3 | **is a** | present |  |  |  |  |  |  | tree rules |
| 4 | **pattern** |  | lighthouses *= lighthouse* |  |  |  |  |  | nom pattern «cognition intransitive»: poss=agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
Pirates never used lighthouses

```conllu
# sent_id = question:technology:24-ships-ports-and-submarines:t6:o2:1
# text = Pirates never used lighthouses
1	Pirates	pirate	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	never	never	ADV	RB	PronType=Neg	3	advmod	_	_
3	used	use	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	lighthouses	lighthouse	NOUN	NNS	Number=Plur	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **use** | past | Pirates | lighthouses |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent lighthouse=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Nothing, all lighthouses look the same

```conllu
# sent_id = question:technology:24-ships-ports-and-submarines:t6:o3:1
# text = Nothing, all lighthouses look the same
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	5	obl	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	all	all	DET	DT	PronType=Tot	4	det	_	_
4	lighthouses	lighthouse	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	look	look	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	same	same	ADJ	JJ	Degree=Pos	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **look** | present | all lighthouses | Nothing |  |  |  |  | vn seem-109-1-1 «NP V NP»: agent=Theme same=Attribute |

### Option 4 {#o4}

<!-- .ven lang=en -->
Lighthouses don't flash, they glow steadily

```conllu
# sent_id = question:technology:24-ships-ports-and-submarines:t6:o4:1
# text = Lighthouses don't flash, they glow steadily
1	Lighthouses	lighthouse	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	SpaceAfter=No
3	n't	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	flash	flash	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	7	nsubj	_	_
7	glow	glow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
8	steadily	steadily	ADV	RB	_	7	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **flash** | present · do-support | Lighthouses |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |
| 2 | **glow** | present | Lighthouses *= lighthouse* |  |  |  |  | steadily *property* | vn light\_emission-43.1 «NP V»: agent=Theme |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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- ← previous: [Ships, ports and submarines, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/technology/24-ships-ports-and-submarines/t5/)
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