Test 9 · Pigeons: head bobbing, homing and city cliffs
Count them: a pair of pigeons has 2 chicks in the nest. How many beaks and how many feet altogether?
Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you, pair · What happens: count, have · To what, where: them, 2 chicks, nest
This is test 9 of lesson 221 «Pigeons: head bobbing, homing and city cliffs» 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.
The question
Sentence 1: Count them: a pair of pigeons has 2 chicks in the nest.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Count | count | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | them | they | PRON | Case=Acc Number=Plur Person=3 PronType=Prs | 1 Count | obj |
| 3 | : | : | PUNCT | _ | 8 has | punct |
| 4 | a | a | DET | Definite=Ind PronType=Art | 5 pair | det |
| 5 | pair | pair | NOUN | Number=Sing | 8 has | nsubj |
| 6 | of | of | ADP | _ | 7 pigeons | case |
| 7 | pigeons | pigeon | NOUN | Number=Plur | 5 pair | nmod |
| 8 | has | have | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 1 Count | parataxis |
| 9 | 2 | 2 | NUM | NumForm=Digit NumType=Card | 10 chicks | nummod |
| 10 | chicks | chick | NOUN | Number=Plur | 8 has | obj |
| 11 | in | in | ADP | _ | 13 nest | case |
| 12 | the | the | DET | Definite=Def PronType=Art | 13 nest | det |
| 13 | nest | nest | NOUN | Number=Sing | 8 has | obl |
| 14 | . | . | PUNCT | _ | 1 Count | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | count | imperative | you not said here | them = they | vn multiply-108 «NP V NP»: agent=Agent they=Theme | ||||
| 2 | have | present | a pair of pigeons | 2 chicks | the nest | vn birth-28.2-1 «NP V NP»: agent=Agent chick=Patient |
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 beaks and how many feet altogether?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | How | how | ADV | PronType=Int | 2 many | advmod |
| 2 | many | many | ADJ | Degree=Pos | 3 beaks | amod |
| 3 | beaks | beak | NOUN | Number=Plur | root | root |
| 4 | and | and | CCONJ | _ | 7 feet | cc |
| 5 | how | how | ADV | PronType=Int | 6 many | advmod |
| 6 | many | many | ADJ | Degree=Pos | 7 feet | amod |
| 7 | feet | foot | NOUN | Number=Plur | 3 beaks | conj |
| 8 | altogether | altogether | ADV | _ | 3 beaks | advmod |
| 9 | ? | ? | PUNCT | _ | 3 beaks | punct |
The frames reader finds no event or fact in this sentence.
The options
Option 1 · ← Mova's choice
4 beaks and 16 feet
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 4 | 4 | NUM | NumForm=Digit NumType=Card | 2 beaks | nummod |
| 2 | beaks | beak | NOUN | Number=Plur | root | root |
| 3 | and | and | CCONJ | _ | 5 feet | cc |
| 4 | 16 | 16 | NUM | NumForm=Digit NumType=Card | 5 feet | nummod |
| 5 | feet | foot | NOUN | Number=Plur | 2 beaks | conj |
The frames reader finds no event or fact in this sentence.
Option 2
2 beaks and 8 feet
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 2 | 2 | NUM | NumForm=Digit NumType=Card | 2 beaks | nummod |
| 2 | beaks | beak | NOUN | Number=Plur | root | root |
| 3 | and | and | CCONJ | _ | 5 feet | cc |
| 4 | 8 | 8 | NUM | NumForm=Digit NumType=Card | 5 feet | nummod |
| 5 | feet | foot | NOUN | Number=Plur | 2 beaks | conj |
The frames reader finds no event or fact in this sentence.
Option 3 · ✓ the right answer
4 beaks and 8 feet
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 4 | 4 | NUM | NumForm=Digit NumType=Card | 2 beaks | nummod |
| 2 | beaks | beak | NOUN | Number=Plur | root | root |
| 3 | and | and | CCONJ | _ | 5 feet | cc |
| 4 | 8 | 8 | NUM | NumForm=Digit NumType=Card | 5 feet | nummod |
| 5 | feet | foot | NOUN | Number=Plur | 2 beaks | conj |
The frames reader finds no event or fact in this sentence.
Option 4
4 beaks and 4 feet
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 4 | 4 | NUM | NumForm=Digit NumType=Card | 2 beaks | nummod |
| 2 | beaks | beak | NOUN | Number=Plur | root | root |
| 3 | and | and | CCONJ | _ | 5 feet | cc |
| 4 | 4 | 4 | NUM | NumForm=Digit NumType=Card | 5 feet | nummod |
| 5 | feet | foot | NOUN | Number=Plur | 2 beaks | conj |
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.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/biology/221-pigeons-head-bobbing-homing-and-city-cliffs/t9/