Great rivers and wetlands: Nile crocodiles, hippos, giant catfish and the Pantanal, sentence 6

The Mekong giant catfish is one of the biggest freshwater fish, as heavy as a bear, has no teeth as an adult, eats algae and plants, and is now very rare because of dams and fishing.

Who acts: Mekong giant catfish · What happens: be, have, eat · To what, where: one, teeth, algae

This is a sentence of the lesson «Great rivers and wetlands: Nile crocodiles, hippos, giant catfish and the Pantanal» 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 (Mekong giant catfish), 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	The	the	DET	Definite=Def PronType=Art	4 catfish	det
2	Mekong	Mekong	PROPN	Number=Sing	4 catfish	compound
3	giant	giant	ADJ	Degree=Pos	4 catfish	amod
4	catfish	catfish	NOUN	Number=Sing	19 has	nsubj
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 one	cop
6	one	one	NUM	NumForm=Word NumType=Card	19 has	conj
7	of	of	ADP	_	11 fish	case
8	the	the	DET	Definite=Def PronType=Art	11 fish	det
9	biggest	big	ADJ	Degree=Sup	11 fish	amod
10	freshwater	freshwater	NOUN	Number=Sing	11 fish	compound
11	fish	fish	NOUN	Number=Plur	6 one	nmod
12	,	,	PUNCT	_	14 heavy	punct
13	as	as	ADV	_	14 heavy	advmod
14	heavy	heavy	ADJ	Degree=Pos	4 catfish	conj
15	as	as	ADP	_	17 bear	case
16	a	a	DET	Definite=Ind PronType=Art	17 bear	det
17	bear	bear	NOUN	Number=Sing	14 heavy	obl
18	,	,	PUNCT	_	19 has	punct
19	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
20	no	no	DET	PronType=Neg	21 teeth	det
21	teeth	tooth	NOUN	Number=Plur	19 has	obj
22	as	as	ADP	_	24 adult	case
23	an	a	DET	Definite=Ind PronType=Art	24 adult	det
24	adult	adult	NOUN	Number=Sing	21 teeth	nmod
25	,	,	PUNCT	_	26 eats	punct
26	eats	eat	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	19 has	conj
27	algae	alga	NOUN	Number=Plur	26 eats	obj
28	and	and	CCONJ	_	29 plants	cc
29	plants	plant	NOUN	Number=Plur	27 algae	conj
30	,	,	PUNCT	_	35 rare	punct
31	and	and	CCONJ	_	35 rare	cc
32	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	35 rare	cop
33	now	now	ADV	_	35 rare	advmod
34	very	very	ADV	_	35 rare	advmod
35	rare	rare	ADJ	Degree=Pos	19 has	conj
36	because	because	ADP	ExtPos=ADP	38 dams	case
37	of	of	ADP	_	36 because	fixed
38	dams	dam	NOUN	Number=Plur	35 rare	obl
39	and	and	CCONJ	_	40 fishing	cc
40	fishing	fishing	NOUN	Number=Sing	38 dams	conj
41	.	.	PUNCT	_	19 has	punct

Pragmatics

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

#	verb	tense, mood	who	what, whom	when	other	roles by
1	is a	present	the Mekong giant catfish not said here	one		of the biggest freshwater fish	tree rules
2	have	present	the Mekong giant catfish	no teeth		as a adult	vn birth-28.2-1 «NP V NP»: agent=Agent tooth=Patient
3	eat	present	the Mekong giant catfish not said here	algae and plants			vn eat-39.1-1 «NP V NP»: agent=Agent alga=Patient
4	is	present	the Mekong giant catfish not said here		now	because dams and fishing; rare property	tree rules

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:184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal.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): R6-punct-agree ×1, R7-rel-agree ×2, 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/184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal/6/