Megalodon and the giants of the sea, past and present, sentence 5

Megalodon was a giant shark, perhaps 15 to 20 metres long, with teeth up to about 17 centimetres; it ate whales and died out about 3.6 million years ago.

Who acts: Megalodon, shark · What happens: be, eat, die out · To what, where: giant shark, whales

This is a sentence of the lesson «Megalodon and the giants of the sea, past and present» 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 (Megalodon, shark), 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	Megalodon	Megalodon	PROPN	Number=Sing	5 shark	nsubj
2	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	5 shark	cop
3	a	a	DET	Definite=Ind PronType=Art	5 shark	det
4	giant	giant	ADJ	Degree=Pos	5 shark	amod
5	shark	shark	NOUN	Number=Sing	root	root
6	,	,	PUNCT	_	11 metres	punct
7	perhaps	perhaps	ADV	_	11 metres	advmod
8	15	15	NUM	NumForm=Digit NumType=Card	11 metres	nummod
9	to	to	ADP	_	10 20	case
10	20	20	NUM	NumForm=Digit NumType=Card	8 15	nmod
11	metres	metre	NOUN	Number=Plur	12 long	obl
12	long	long	ADJ	Degree=Pos	5 shark	amod
13	,	,	PUNCT	_	15 teeth	punct
14	with	with	ADP	_	15 teeth	case
15	teeth	tooth	NOUN	Number=Sing	5 shark	nmod
16	up	up	ADP	_	15 teeth	compound:prt
17	to	to	ADP	_	20 centimetres	case
18	about	about	ADV	_	19 17	advmod
19	17	17	NUM	NumForm=Digit NumType=Card	20 centimetres	nummod
20	centimetres	centimetre	NOUN	Number=Plur	15 teeth	nmod
21	;	;	PUNCT	_	23 ate	punct
22	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	23 ate	nsubj
23	ate	eat	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	5 shark	parataxis
24	whales	whale	NOUN	Number=Plur	23 ate	obj
25	and	and	CCONJ	_	26 died	cc
26	died	die	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	23 ate	conj
27	out	out	ADP	_	26 died	compound:prt
28	about	about	ADV	_	30 million	advmod
29	3.6	3.6	NUM	NumForm=Digit NumType=Frac	30 million	compound
30	million	million	NUM	NumForm=Word NumType=Card	31 years	nummod
31	years	year	NOUN	Number=Plur	32 ago	obl:unmarked
32	ago	ago	ADV	_	26 died	advmod
33	.	.	PUNCT	_	5 shark	punct

Pragmatics

No stored speech act for this sentence.

#	verb	tense, mood	who	what, whom	other	roles by
1	is a	past	Megalodon	a giant shark	with teeth to 17 centimetres	tree rules
2	eat	past	shark	whales		vn eat-39.1-1 «NP V NP»: agent=Agent whale=Patient
3	die out	past	shark not said here		ago property	vn calibratable_cos-45.6.1 «NP.attribute V»: agent=Attribute

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:273-megalodon-and-the-giants-of-the-sea.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): R5-strong ×5, R6-punct-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/273-megalodon-and-the-giants-of-the-sea/5/