--- title: Three ostriches stand in a row. How many toes do they have altogether? — Myth check: do ostriches bury their he… · tree and pragmatics description: Three ostriches stand in a row. How many toes do they have altogether? Test 3 of lesson 151 «Myth check: do ostriches bury their heads in the sand?» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/151-ostriches-and-heads-in-the-sand/t3/) [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/) / [Myth check: do ostriches bury their he…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/151-ostriches-and-heads-in-the-sand/) / t3 # Test 3 · Myth check: do ostriches bury their heads in the sand? Three ostriches stand in a row. How many toes do they have altogether? **Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** Three ostriches, many toes · **What happens:** stand, have · **To what, where:** row This is test 3 of lesson 151 «Myth check: do ostriches bury their heads in the sand?» of the biology course of Mova's primary school. 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/151-ostriches-and-heads-in-the-sand/#t3). ## The question {#question} *Sentence 1:* Three ostriches stand in a row. ```conllu # sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t3:1 # text = Three ostriches stand in a row. 1 Three three NUM CD NumForm=Word|NumType=Card 2 nummod _ _ 2 ostriches ostrich NOUN NNS Number=Plur 3 nsubj _ _ 3 stand stand VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 in in ADP IN _ 6 case _ _ 5 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 6 row row NOUN NN Number=Sing 3 obl _ SpaceAfter=No 7 . . PUNCT . _ 3 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **stand** | present | Three ostriches | | | a row | | | vn assuming\_position-50 «NP V PP.location»: agent=Agent in row=Location | 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. *Sentence 2:* How many toes do they have altogether? ```conllu # sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t3:2 # text = How many toes do they have altogether? 1 How how ADV WRB PronType=Int 2 advmod _ _ 2 many many ADJ JJ Degree=Pos 3 amod _ _ 3 toes toe NOUN NNS Number=Plur 6 nsubj _ _ 4 do do AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 6 aux _ _ 5 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 6 nsubj _ _ 6 have have VERB VB VerbForm=Inf 0 root _ _ 7 altogether altogether ADV RB _ 6 advmod _ SpaceAfter=No 8 ? ? PUNCT . _ 6 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **have** | present · do-support | many toes | | | | | altogether *property* | vn birth-28.2-1 «NP V NP»: agent=Agent | ## The options {#options} ### Option 1 · ← Mova's choice {#o1} 30 ```conllu # sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t3:o1:1 # text = 30 1 30 30 NUM CD NumForm=Digit|NumType=Card 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 2 {#o2} 6 ```conllu # sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t3:o2:1 # text = 6 1 6 6 NUM CD NumForm=Digit|NumType=Card 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 3 {#o3} 18 ```conllu # sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t3:o3:1 # text = 18 1 18 18 NUM CD NumForm=Digit|NumType=Card 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 4 · ✓ the right answer {#o4} 12 ```conllu # sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t3:o4:1 # text = 12 1 12 12 NUM CD NumForm=Digit|NumType=Card 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: [Myth check: do ostriches bury their he…, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/151-ostriches-and-heads-in-the-sand/t2/) - next →: [Myth check: do ostriches bury their he…, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/151-ostriches-and-heads-in-the-sand/t4/) - ↑ back to [Myth check: do ostriches bury their heads in the sand?](https://md.mova.elamur.ai/free/en/corpora/questions/biology/151-ostriches-and-heads-in-the-sand/)