--- title: Ascertain the approximate daily duration of sleep reported for wild… — How animals sleep: half-asleep dolphin… · tree and pragmatics description: Ascertain the approximate daily duration of sleep reported for wild elephants in Africa. Exam question 2 of lesson 390 «How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air» of the biology course of Mova's primary school, with the dependency --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/e2/) [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/) / [How animals sleep: half-asleep dolphin…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/) / e2 # Exam question 2 · How animals sleep: half-asleep dolphins, standing horses,… Ascertain the approximate daily duration of sleep reported for wild elephants in Africa. **Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, report · **To what, where:** approximate daily duration This is exam question 2 of lesson 390 «How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air» 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/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/#e2). ## The question {#question} ```conllu # sent_id = question:biology:390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air:e2:1 # text = Ascertain the approximate daily duration of sleep reported for wild elephants in Africa. 1 Ascertain ascertain VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 2 the the DET DT Definite=Def|PronType=Art 5 det _ _ 3 approximate approximate ADJ JJ Degree=Pos 5 amod _ _ 4 daily daily ADJ JJ Degree=Pos 5 amod _ _ 5 duration duration NOUN NN Number=Sing 1 obj _ _ 6 of of ADP IN _ 7 case _ _ 7 sleep sleep NOUN NN Number=Sing 5 nmod _ _ 8 reported report VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 5 acl _ _ 9 for for ADP IN _ 11 case _ _ 10 wild wild ADJ JJ Degree=Pos 11 amod _ _ 11 elephants elephant NOUN NNS Number=Plur 8 obl _ _ 12 in in ADP IN _ 13 case _ _ 13 Africa Africa PROPN NNP Number=Sing 11 nmod _ SpaceAfter=No 14 . . PUNCT . _ 1 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **ascertain** | imperative | you *not said here* | the approximate daily duration of sleep | | | | | vn discover-84 «NP V NP»: agent=Agent duration=Topic | | 2 | **report** | participle | | the approximate daily duration of sleep *not said here* | | | | for wild elephants in Africa | vn prosecute-33.2 «NP V NP PP.theme»: agent=Agent for elephant=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. ## The options {#options} ### Option 1 · ← Mova's choice {#o1} Six hours ```conllu # sent_id = question:biology:390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air:e2:o1:1 # text = Six hours 1 Six six NUM CD NumForm=Word|NumType=Card 2 nummod _ _ 2 hours hour NOUN NNS Number=Plur 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 2 {#o2} Ten hours ```conllu # sent_id = question:biology:390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air:e2:o2:1 # text = Ten hours 1 Ten ten NUM CD NumForm=Word|NumType=Card 2 nummod _ _ 2 hours hour NOUN NNS Number=Plur 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 3 · ✓ the right answer {#o3} Two hours ```conllu # sent_id = question:biology:390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air:e2:o3:1 # text = Two hours 1 Two two NUM CD NumForm=Word|NumType=Card 2 nummod _ _ 2 hours hour NOUN NNS Number=Plur 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 4 {#o4} Twenty hours ```conllu # sent_id = question:biology:390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air:e2:o4:1 # text = Twenty hours 1 Twenty twenty NUM CD NumForm=Word|NumType=Card 2 nummod _ _ 2 hours hour NOUN NNS Number=Plur 0 root _ _ ``` 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: [How animals sleep: half-asleep dolphin…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/e1/) - next →: [How animals sleep: half-asleep dolphin…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/e3/) - ↑ back to [How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/)