--- title: Identify the means by which the Ganges river dolphin locates its food. — Great rivers and wetlands: Nile crocod… · tree and pragmatics description: Identify the means by which the Ganges river dolphin locates its food. Exam question 1 of lesson 184 «Great rivers and wetlands: Nile crocodiles, hippos, giant catfish and the Pantanal» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of eac --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal/e1/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [Great rivers and wetlands: Nile crocod…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal/) / e1 # Exam question 1 · Great rivers and wetlands: Nile crocodiles, hippos, giant… Identify the means by which the Ganges river dolphin locates its food. **Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you, the, Ganges river dolphin · **What happens:** identify, mean, locate · **To what, where:** food This is exam question 1 of lesson 184 «Great rivers and wetlands: Nile crocodiles, hippos, giant catfish and the Pantanal» of the biology course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal/#e1). ## The question {#question} ```conllu # sent_id = question:biology:184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal:e1:1 # text = Identify the means by which the Ganges river dolphin locates its food. 1 Identify identify VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 2 the the DET DT Definite=Def|PronType=Art 3 nsubj _ _ 3 means mean VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 1 ccomp _ _ 4 by by ADP IN _ 5 case _ _ 5 which which PRON WDT PronType=Rel 10 obl _ _ 6 the the DET DT Definite=Def|PronType=Art 9 det _ _ 7 Ganges Ganges PROPN NNP Number=Sing 9 compound _ _ 8 river river NOUN NN Number=Sing 9 compound _ _ 9 dolphin dolphin NOUN NN Number=Sing 10 nsubj _ _ 10 locates locate VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 parataxis _ _ 11 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 12 nmod:poss _ _ 12 food food NOUN NN Number=Sing 10 obj _ SpaceAfter=No 13 . . PUNCT . _ 1 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **identify** | imperative | you *not said here* | | | | | | vn characterize-29.2-1-1 «NP V S\_ING»: agent=Agent clause=Theme | | 2 | **mean** | present | the | | | | | | vn intend-61.2-1 «NP V S»: agent=Agent | | 3 | **locate** | present | the Ganges river dolphin | dolphin's food | | | | | 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. ## The options {#options} ### Option 1 · ← Mova's choice {#o1} The detection of heat by its fins ```conllu # sent_id = question:biology:184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal:e1:o1:1 # text = The detection of heat by its fins 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 detection detection NOUN NN Number=Sing 0 root _ _ 3 of of ADP IN _ 4 case _ _ 4 heat heat NOUN NN Number=Sing 2 nmod _ _ 5 by by ADP IN _ 7 case _ _ 6 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 7 nmod:poss _ _ 7 fins fin NOUN NNS Number=Plur 2 nmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **detect** | | heat's fins | heat | | | | | nom detection «cognition transitive»: of=patient by=agent | ### Option 2 {#o2} The following of fishing vessels ```conllu # sent_id = question:biology:184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal:e1:o2:1 # text = The following of fishing vessels 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 following follow VERB VBG Tense=Pres|VerbForm=Part 0 root _ _ 3 of of ADP IN _ 5 case _ _ 4 fishing fishing NOUN NN Number=Sing 5 compound _ _ 5 vessels vessel NOUN NNS Number=Plur 2 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **follow** | gerund | | | | | | of fishing vessels | vn chase-51.6 «NP V NP PP.location»: agent=Agent of vessel=Trajectory | ### Option 3 · ✓ the right answer {#o3} Echolocation, its vision being of little use in turbid water ```conllu # sent_id = question:biology:184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal:e1:o3:1 # text = Echolocation, its vision being of little use in turbid water 1 Echolocation echolocation NOUN NN Number=Sing 8 nsubj _ SpaceAfter=No 2 , , PUNCT , _ 4 punct _ _ 3 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 4 nmod:poss _ _ 4 vision vision NOUN NN Number=Sing 1 conj _ _ 5 being be AUX VBG Tense=Pres|VerbForm=Part 8 cop _ _ 6 of of ADP IN _ 8 case _ _ 7 little little ADJ JJ Degree=Pos 8 amod _ _ 8 use use NOUN NN Number=Sing 0 root _ _ 9 in in ADP IN _ 11 case _ _ 10 turbid turbid ADJ JJ Degree=Pos 11 amod _ _ 11 water water NOUN NN Number=Sing 8 nmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | gerund | Echolocation and its vision | | | turbid water | | of little use | tree rules | ### Option 4 {#o4} Acute vision in clear water ```conllu # sent_id = question:biology:184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal:e1:o4:1 # text = Acute vision in clear water 1 Acute acute ADJ JJ Degree=Pos 2 amod _ _ 2 vision vision NOUN NN Number=Sing 0 root _ _ 3 in in ADP IN _ 5 case _ _ 4 clear clear ADJ JJ Degree=Pos 5 amod _ _ 5 water water NOUN NN Number=Sing 2 nmod _ _ ``` The frames reader finds no event or fact in this sentence. **Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License. - ← previous: [Great rivers and wetlands: Nile crocod…, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal/t11/) - next →: [Great rivers and wetlands: Nile crocod…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal/e2/) - ↑ back to [Great rivers and wetlands: Nile crocodiles, hippos, giant catfish and the Pantanal](https://md.mova.elamur.ai/free/en/corpora/questions/biology/184-great-rivers-and-wetlands-nile-crocodiles-hippos-giant-catfish-and-the-pantanal/)