---
title: Big fans push fresh air through road and rail tunnels and clear smok… — Tunnels and what lies under the street · tree and pragmatics
description: Big fans push fresh air through road and rail tunnels and clear smoke if there is a fire, and long tunnels have emergency exits and safe rooms. Who acts: Big fans, fire, long tunnels. A sentence of the lesson «Tunnels and what lies under the street» of the technology course of Mova's primary school 
---

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# Tunnels and what lies under the street, sentence 10

<!-- .ven lang=en -->
Big fans push fresh air through road and rail tunnels and clear smoke if there is a fire, and long tunnels have emergency exits and safe rooms.

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**Who acts:** Big fans, fire, long tunnels · **What happens:** push, be, have · **To what, where:** fresh air, road, emergency exits

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This is a sentence of the lesson «Tunnels and what lies under the street» of the technology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Big fans, fire, long tunnels), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:029-tunnels-and-under-the-street.lesson:10
# text = Big fans push fresh air through road and rail tunnels and clear smoke if there is a fire, and long tunnels have emergency exits and safe rooms.
# source = school lesson (ours)
# course = technology
# lesson = 029-tunnels-and-under-the-street.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2
1	Big	big	ADJ	JJ	Degree=Pos	2	amod	_	_
2	fans	fan	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	push	push	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	fresh	fresh	ADJ	JJ	Degree=Pos	5	amod	_	_
5	air	air	NOUN	NN	Number=Sing	3	obj	_	_
6	through	through	ADP	IN	_	7	case	_	_
7	road	road	NOUN	NN	Number=Sing	3	obl	_	_
8	and	and	CCONJ	CC	_	10	cc	_	_
9	rail	rail	NOUN	NN	Number=Sing	7	conj	_	Agree=R5-strong|Haiku=10:compound
10	tunnels	tunnel	NOUN	NNS	Number=Plur	7	conj	_	_
11	and	and	CCONJ	CC	_	13	cc	_	_
12	clear	clear	ADJ	JJ	Degree=Pos	13	amod	_	_
13	smoke	smoke	NOUN	NN	Number=Sing	5	conj	_	_
14	if	if	SCONJ	IN	_	16	mark	_	_
15	there	there	PRON	EX	PronType=Dem	16	expl	_	_
16	is	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	fire	fire	NOUN	NN	Number=Sing	16	nsubj	_	_
19	,	,	PUNCT	,	_	23	punct	_	_
20	and	and	CCONJ	CC	_	23	cc	_	_
21	long	long	ADJ	JJ	Degree=Pos	22	amod	_	_
22	tunnels	tunnel	NOUN	NNS	Number=Plur	23	nsubj	_	_
23	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	Agree=R5-strong|Haiku=16:conj
24	emergency	emergency	NOUN	NN	Number=Sing	25	compound	_	_
25	exits	exit	NOUN	NNS	Number=Plur	23	obj	_	_
26	and	and	CCONJ	CC	_	28	cc	_	_
27	safe	safe	ADJ	JJ	Degree=Pos	28	amod	_	_
28	rooms	room	NOUN	NNS	Number=Plur	25	conj	_	_
29	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **push** | present | Big fans | fresh air and clear smoke |  | road and rail and tunnels |  |  | vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent air=Theme through road=Trajectory |
| 2 | **be** *a condition, not said to happen* | present | a fire |  |  | there |  |  | vn exist-47.1 «NP V»: agent=Theme |
| 3 | **have** | present | long tunnels | emergency exits and safe rooms |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent exit=Patient |

<!-- .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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:technology:029-tunnels-and-under-the-street.lesson:10`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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