Myth check: do ostriches bury their heads in the sand?, sentence 5

Ostriches lay their eggs in a shallow pit scraped in the ground and several times a day put their heads in to turn the eggs with their beaks, so the eggs warm evenly and the chick does not stick to the shell.

Who acts: Ostriches, eggs, chick · What happens: lay, scrape, put, turn, warm, not stick · To what, where: eggs, shallow pit, ground, heads

This is a sentence of the lesson «Myth check: do ostriches bury their heads in the sand?» 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 (Ostriches, eggs, chick), 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	Ostriches	ostrich	NOUN	Number=Plur	2 lay	nsubj
2	lay	lay	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	4 eggs	nmod:poss
4	eggs	egg	NOUN	Number=Plur	2 lay	obj
5	in	in	ADP	_	8 pit	case
6	a	a	DET	Definite=Ind PronType=Art	8 pit	det
7	shallow	shallow	ADJ	Degree=Pos	8 pit	amod
8	pit	pit	NOUN	Number=Sing	2 lay	obl
9	scraped	scrape	VERB	Tense=Past VerbForm=Part Voice=Pass	8 pit	acl
10	in	in	ADP	_	12 ground	case
11	the	the	DET	Definite=Def PronType=Art	12 ground	det
12	ground	ground	NOUN	Number=Sing	9 scraped	obl
13	and	and	CCONJ	_	18 put	cc
14	several	several	ADJ	Degree=Pos	15 times	amod
15	times	time	NOUN	Number=Plur	18 put	obl:unmarked
16	a	a	DET	Definite=Ind PronType=Art	17 day	det
17	day	day	NOUN	Number=Sing	15 times	nmod
18	put	put	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	2 lay	conj
19	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	20 heads	nmod:poss
20	heads	head	NOUN	Number=Plur	18 put	obj
21	in	in	ADV	_	18 put	advmod
22	to	to	PART	_	23 turn	mark
23	turn	turn	VERB	VerbForm=Inf	18 put	advcl
24	the	the	DET	Definite=Def PronType=Art	25 eggs	det
25	eggs	egg	NOUN	Number=Plur	23 turn	obj
26	with	with	ADP	_	28 beaks	case
27	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	28 beaks	nmod:poss
28	beaks	beak	NOUN	Number=Plur	23 turn	obl
29	,	,	PUNCT	_	33 warm	punct
30	so	so	ADV	_	33 warm	advmod
31	the	the	DET	Definite=Def PronType=Art	32 eggs	det
32	eggs	egg	NOUN	Number=Plur	33 warm	nsubj
33	warm	warm	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	2 lay	advcl
34	evenly	evenly	ADV	_	33 warm	advmod
35	and	and	CCONJ	_	40 stick	cc
36	the	the	DET	Definite=Def PronType=Art	37 chick	det
37	chick	chick	NOUN	Number=Sing	40 stick	nsubj
38	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	40 stick	aux
39	not	not	PART	Polarity=Neg	40 stick	advmod
40	stick	stick	VERB	VerbForm=Inf	33 warm	conj
41	to	to	ADP	_	43 shell	case
42	the	the	DET	Definite=Def PronType=Art	43 shell	det
43	shell	shell	NOUN	Number=Sing	40 stick	obl
44	.	.	PUNCT	_	2 lay	punct

Pragmatics

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

#	verb	tense, mood	who	what, whom	where	when	other	roles by
1	lay	present	Ostriches	feathers's eggs	a shallow pit			vn put_spatial-9.2 «NP V NP PP.destination»: agent=Agent egg=Theme in pit=Destination
2	scrape	participle		a shallow pit not said here	the ground			vn cut-21.1-1 «NP V ADVP-Middle»: agent=Patient
3	put	present	Ostriches not said here	feathers's heads		time		vn invest-13.5.4-1 «NP V PP»: agent=Agent head=Goal
4	turn	to-infinitive	Ostriches not said here	the eggs			with feathers's beaks	vn roll-51.3.1 «NP V NP.theme»: agent=Agent egg=Theme
5	warm	present	the eggs				evenly property	vn other_cos-45.4 «NP.patient V»: agent=Patient
6	not stick	present · do-support	the chick				to the shell	vn shake-22.3-2 «NP V NP PP»: agent=Agent to shell=Co-Patient

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:151-ostriches-and-heads-in-the-sand.lesson:5.

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): R7-rel-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/151-ostriches-and-heads-in-the-sand/5/