Unusual pets: stick insects, giant snails, ant farms and hermit crabs, sentence 17

Wild hermit crabs sometimes queue by size and swap shells one after another, each moving into the shell left by the next biggest; scientists call this a vacancy chain.

Who acts: each, scientists · What happens: queue, swap, move, leave, call · To what, where: shells, shell, this · Speech: someone speaks here

This is a sentence of the lesson «Unusual pets: stick insects, giant snails, ant farms and hermit crabs» 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 (each, scientists), what happens, when and where, as Mova's frames read it from the tree.

The tree

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Wild	wild	ADJ	Degree=Pos	3 crabs	amod
2	hermit	hermit	NOUN	Number=Sing	3 crabs	compound
3	crabs	crab	NOUN	Number=Plur	root	root
4	sometimes	sometimes	ADV	PronType=Ind	5 queue	advmod
5	queue	queue	VERB	Mood=Ind Tense=Pres VerbForm=Fin	3 crabs	conj
6	by	by	ADP	_	7 size	case
7	size	size	NOUN	Number=Sing	5 queue	obl
8	and	and	CCONJ	_	9 swap	cc
9	swap	swap	VERB	Mood=Ind Tense=Pres VerbForm=Fin	5 queue	conj
10	shells	shell	NOUN	Number=Plur	9 swap	obj
11	one	one	NUM	NumForm=Word NumType=Card	9 swap	obl
12	after	after	ADP	_	13 another	case
13	another	another	DET	PronType=Ind	11 one	nmod
14	,	,	PUNCT	_	16 moving	punct
15	each	each	DET	PronType=Tot	16 moving	nsubj
16	moving	move	VERB	Tense=Pres VerbForm=Part	9 swap	advcl
17	into	into	ADP	_	19 shell	case
18	the	the	DET	Definite=Def PronType=Art	19 shell	det
19	shell	shell	NOUN	Number=Sing	16 moving	obl
20	left	leave	VERB	Tense=Past VerbForm=Part Voice=Pass	19 shell	acl
21	by	by	ADP	_	24 biggest	case
22	the	the	DET	Definite=Def PronType=Art	24 biggest	det
23	next	next	ADJ	Degree=Pos	24 biggest	amod
24	biggest	big	ADJ	Degree=Sup	20 left	obl
25	;	;	PUNCT	_	27 call	punct
26	scientists	scientist	NOUN	Number=Plur	27 call	nsubj
27	call	call	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 crabs	parataxis
28	this	this	PRON	Number=Sing PronType=Dem	27 call	obj
29	a	a	DET	Definite=Ind PronType=Art	31 chain	det
30	vacancy	vacancy	NOUN	Number=Sing	31 chain	compound
31	chain	chain	NOUN	Number=Sing	27 call	xcomp
32	.	.	PUNCT	_	3 crabs	punct

Pragmatics

No stored speech act for this sentence.

#	verb	tense, mood	who	what, whom	where	other	roles by
1	queue	present				by size; sometimes property	tree rules
2	swap	present		shells		one after another obl	vn exchange-13.6.1 «NP V NP»: agent=Agent shell=Theme
3	move	gerund	each		the shell		vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into shell=Trajectory
4	leave	participle		the shell not said here		by the next biggest	vn keep-15.2 «NP V NP PP.location»: agent=Agent by big=Location
5	call	present	scientists	this			vn initiate_communication-37.4.2-1 «NP V NP.recipient»: agent=Agent this=Recipient

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.

Licence: CC 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:330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs.lesson:17.

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, R7-rel-agree ×1, R8-pos-agree ×1. 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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/17/