---
title: Weight for weight, some spider silk is stronger than steel and far s… — Spider-Man: real spider silk and webs · tree and pragmatics
description: Weight for weight, some spider silk is stronger than steel and far stretchier; Darwin's bark spider spins webs across rivers up to about 25 metres wide. Who acts: Weight, bark spider. A sentence of the lesson «Spider-Man: real spider silk and webs» of the biology course of Mova's primary school with
---

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# Spider-Man: real spider silk and webs, sentence 7

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Weight for weight, some spider silk is stronger than steel and far stretchier; Darwin's bark spider spins webs across rivers up to about 25 metres wide.

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**Who acts:** Weight, bark spider · **What happens:** be, spin · **To what, where:** webs, rivers

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This is a sentence of the lesson «Spider-Man: real spider silk and webs» of the biology 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 (Weight, bark spider), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:147-spider-man-real-spider-silk-and-webs.lesson:7
# text = Weight for weight, some spider silk is stronger than steel and far stretchier; Darwin's bark spider spins webs across rivers up to about 25 metres wide.
# source = school lesson (ours)
# course = biology
# lesson = 147-spider-man-real-spider-silk-and-webs.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): no change
1	Weight	weight	NOUN	NN	Number=Sing	9	nsubj	_	_
2	for	for	ADP	IN	_	3	case	_	_
3	weight	weight	NOUN	NN	Number=Sing	1	nmod	_	_
4	,	,	PUNCT	,	_	9	punct	_	_
5	some	some	DET	DT	PronType=Ind	7	det	_	_
6	spider	spider	NOUN	NN	Number=Sing	7	compound	_	_
7	silk	silk	NOUN	NN	Number=Sing	9	nsubj	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
9	stronger	strong	ADJ	JJR	Degree=Cmp	0	root	_	_
10	than	than	ADP	IN	_	11	case	_	_
11	steel	steel	NOUN	NN	Number=Sing	9	obl	_	_
12	and	and	CCONJ	CC	_	14	cc	_	_
13	far	far	ADV	RB	Degree=Pos	14	advmod	_	_
14	stretchier	stretchy	ADJ	JJR	Degree=Cmp	9	conj	_	_
15	;	;	PUNCT	,	_	9	punct	_	_
16	Darwin	Darwin	PROPN	NNP	Number=Sing	19	nmod:poss	_	_
17	's	's	PART	POS	_	16	case	_	_
18	bark	bark	NOUN	NN	Number=Sing	19	compound	_	_
19	spider	spider	NOUN	NN	Number=Sing	20	nsubj	_	_
20	spins	spin	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	parataxis	_	_
21	webs	web	NOUN	NNS	Number=Plur	20	obj	_	_
22	across	across	ADP	IN	_	23	case	_	_
23	rivers	river	NOUN	NNS	Number=Plur	21	nmod	_	_
24	up	up	ADP	IN	_	28	case	_	_
25	to	to	ADP	IN	_	24	fixed	_	_
26	about	about	ADV	RB	_	27	advmod	_	_
27	25	25	NUM	CD	NumForm=Digit|NumType=Card	28	nummod	_	_
28	metres	metre	NOUN	NNS	Number=Plur	29	obl:unmarked	_	_
29	wide	wide	ADV	RB	_	21	advmod	_	_
30	.	.	PUNCT	.	_	9	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Weight for weight |  |  |  |  | than steel; strong *property* | tree rules |
| 2 | **be** |  | Weight for weight *not said here* |  |  |  |  | far *property* | tree rules |
| 3 | **spin** | present | Darwin's bark spider | webs |  | rivers |  |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent web=Theme across river=Trajectory |

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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:biology:147-spider-man-real-spider-silk-and-webs.lesson:7`.

**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): no change. **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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