--- title: Moray eels open and close their mouths to pump water over their gill… — The aquarium: the coral reef tank · tree and pragmatics description: Moray eels open and close their mouths to pump water over their gills, not to threaten, and they have a second pair of jaws in their throat that pull food in. Who acts: Moray eels, eels, second pair. A sentence of the lesson «The aquarium: the coral reef tank» of the biology course of Mova's primary --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/90-aquarium-the-coral-reef-tank/16/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [The aquarium: the coral reef tank](https://md.mova.elamur.ai/free/en/corpora/school/biology/90-aquarium-the-coral-reef-tank/) / 16 # The aquarium: the coral reef tank, sentence 16 Moray eels open and close their mouths to pump water over their gills, not to threaten, and they have a second pair of jaws in their throat that pull food in. **Who acts:** Moray eels, eels, second pair · **What happens:** open, close, pump, not threaten, have, pull · **To what, where:** mouths, water, gills, second pair, food This is a sentence of the lesson «The aquarium: the coral reef tank» 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 (Moray eels, eels, second pair), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:090-aquarium-the-coral-reef-tank.lesson:16 # text = Moray eels open and close their mouths to pump water over their gills, not to threaten, and they have a second pair of jaws in their throat that pull food in. # source = school lesson (ours) # course = biology # lesson = 090-aquarium-the-coral-reef-tank.lesson # annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1, R5-strong ×1, R6-punct-agree ×1, R7-rel-agree ×1 1 Moray moray NOUN NN Number=Sing 2 compound _ _ 2 eels eel NOUN NNS Number=Plur 3 nsubj _ _ 3 open open VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 21 conj _ _ 4 and and CCONJ CC _ 5 cc _ Agree=R1-cc-next|Haiku=3:cc 5 close close VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 6 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 7 nmod:poss _ _ 7 mouths mouth NOUN NNS Number=Plur 5 obj _ _ 8 to to PART TO _ 9 mark _ _ 9 pump pump VERB VB VerbForm=Inf 7 acl _ _ 10 water water NOUN NN Number=Sing 9 obj _ _ 11 over over ADP IN _ 13 case _ _ 12 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 13 nmod:poss _ _ 13 gills gill NOUN NNS Number=Plur 9 obl _ _ 14 , , PUNCT , _ 17 punct _ _ 15 not not PART RB Polarity=Neg 17 advmod _ _ 16 to to PART TO _ 17 mark _ _ 17 threaten threaten VERB VB VerbForm=Inf 9 conj _ _ 18 , , PUNCT , _ 21 punct _ _ 19 and and CCONJ CC _ 21 cc _ _ 20 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 21 nsubj _ _ 21 have have VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 22 a a DET DT Definite=Ind|PronType=Art 24 det _ _ 23 second second ADJ JJ Degree=Pos|NumForm=Word|NumType=Ord 24 amod _ _ 24 pair pair NOUN NN Number=Sing 21 obj _ _ 25 of of ADP IN _ 26 case _ _ 26 jaws jaw NOUN NNS Number=Plur 24 nmod _ _ 27 in in ADP IN _ 29 case _ _ 28 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 29 nmod:poss _ _ 29 throat throat NOUN NN Number=Sing 26 nmod _ _ 30 that that PRON WDT PronType=Rel 31 nsubj _ _ 31 pull pull VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 24 acl:relcl _ Agree=R5-strong|Haiku=26:acl:relcl 32 food food NOUN NN Number=Sing 31 obj _ _ 33 in in ADV RB _ 31 advmod _ Agree=R7-rel-agree|Haiku=31:compound:prt|HaikuPos=ADP:RP:_ 34 . . PUNCT . _ 3 punct _ Agree=R6-punct-agree|Haiku=21:punct ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **open** | present | Moray eels | | | | | | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme | | 2 | **close** | present | Moray eels *not said here* | eels's mouths | | | | | vn crane-40.3.2 «NP V NP»: agent=Agent mouth=Patient | | 3 | **pump** | to-infinitive | Moray eels *not said here* | water | | eels's gills | | | vn spray-9.7-1 «NP V NP PP.destination»: agent=Agent water=Theme over gill=Destination | | 4 | **not** **threaten** | to-infinitive | Moray eels *not said here* | | | | | | vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer | | 5 | **have** | present | eels *= eel* | a second pair of jaws in eels's throat | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent pair=Patient | | 6 | **pull** | present | a second pair of jaws in eels's throat | food | | | | | vn push-12-1 «NP V NP»: agent=Agent food=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](https://creativecommons.org/licenses/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:090-aquarium-the-coral-reef-tank.lesson:16`. **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): R1-cc-next ×1, R5-strong ×1, R6-punct-agree ×1, 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](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [The aquarium: the coral reef tank, 15](https://md.mova.elamur.ai/free/en/corpora/school/biology/90-aquarium-the-coral-reef-tank/15/) - next →: [The aquarium: the shark tunnel and the…, 0](https://md.mova.elamur.ai/free/en/corpora/school/biology/91-the-aquarium-the-shark-tunnel-and-the-rays/0/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/90-aquarium-the-coral-reef-tank/)