Myth check: do ostriches bury their heads in the sand?, sentence 6

An ostrich that senses danger and cannot run may lie flat with its neck on the ground, so it is hard to spot from far away.

Who acts: ostrich · What happens: sense, not run, lie, be, spot · To what, where: danger

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 (ostrich), 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	An	a	DET	Definite=Ind PronType=Art	2 ostrich	det
2	ostrich	ostrich	NOUN	Number=Sing	11 lie	nsubj
3	that	that	PRON	PronType=Rel	4 senses	nsubj
4	senses	sense	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 ostrich	acl:relcl
5	danger	danger	NOUN	Number=Sing	4 senses	obj
6	and	and	CCONJ	_	9 run	cc
7	can	can	AUX	VerbForm=Fin	9 run	aux
8	not	not	PART	Polarity=Neg	9 run	advmod
9	run	run	VERB	VerbForm=Inf	4 senses	conj
10	may	may	AUX	VerbForm=Fin	11 lie	aux
11	lie	lie	VERB	VerbForm=Inf	root	root
12	flat	flat	ADV	_	11 lie	advmod
13	with	with	ADP	_	15 neck	case
14	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	15 neck	nmod:poss
15	neck	neck	NOUN	Number=Sing	11 lie	obl
16	on	on	ADP	_	18 ground	case
17	the	the	DET	Definite=Def PronType=Art	18 ground	det
18	ground	ground	NOUN	Number=Sing	15 neck	nmod
19	,	,	PUNCT	_	23 hard	punct
20	so	so	ADV	_	23 hard	advmod
21	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	23 hard	expl
22	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	23 hard	cop
23	hard	hard	ADJ	Degree=Pos	11 lie	parataxis
24	to	to	PART	_	25 spot	mark
25	spot	spot	VERB	VerbForm=Inf	23 hard	csubj
26	from	from	ADP	_	27 far	case
27	far	far	ADV	Degree=Pos	25 spot	advmod
28	away	away	ADV	_	27 far	advmod
29	.	.	PUNCT	_	11 lie	punct

Pragmatics

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

#	verb	tense, mood	who	what, whom	other	roles by
1	sense	present	a ostrich	danger		vn see-30.1-1 «NP V S»: agent=Experiencer danger=Stimulus
2	not run	can	a ostrich not said here			vn run-51.3.2-2-1 «NP V»: agent=Theme
3	lie	may	a ostrich		with ostrich's neck on the ground; flat property	vn assuming_position-50 «NP V»: agent=Agent
4	is	present			hard property	tree rules
5	spot	to-infinitive			far property	vn weather-57 «It V PP.theme»

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:6.

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 ×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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/151-ostriches-and-heads-in-the-sand/6/