Test 9 · ★ · Food chains and food webs
Hawks eat both snakes and mice, and snakes also eat mice. What does this make?
Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: Hawks, snakes, this · What happens: eat, make · To what, where: snakes, mice
This is test 9 · ★ of lesson 26 «Food chains and food webs» of the world 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: Hawks eat both snakes and mice, and snakes also eat mice.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Hawks | hawk | NOUN | Number=Plur | 2 eat | nsubj |
| 2 | eat | eat | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | both | both | DET | PronType=Tot | 4 snakes | det |
| 4 | snakes | snake | NOUN | Number=Plur | 2 eat | obj |
| 5 | and | and | CCONJ | _ | 6 mice | cc |
| 6 | mice | mouse | NOUN | Number=Plur | 4 snakes | conj |
| 7 | , | , | PUNCT | _ | 11 eat | punct |
| 8 | and | and | CCONJ | _ | 11 eat | cc |
| 9 | snakes | snake | NOUN | Number=Plur | 11 eat | nsubj |
| 10 | also | also | ADV | _ | 11 eat | advmod |
| 11 | eat | eat | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 2 eat | conj |
| 12 | mice | mouse | NOUN | Number=Plur | 11 eat | obj |
| 13 | . | . | PUNCT | _ | 2 eat | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | eat | present | Hawks | both snakes and mice | vn eat-39.1-1 «NP V NP»: agent=Agent snake=Patient | ||||
| 2 | eat | present | snakes | mice | vn eat-39.1-1 «NP V NP»: agent=Agent mouse=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: What does this make?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | What | what | PRON | PronType=Int | 4 make | obj |
| 2 | does | do | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 make | aux |
| 3 | this | this | PRON | Number=Sing PronType=Dem | 4 make | nsubj |
| 4 | make | make | VERB | VerbForm=Inf | root | root |
| 5 | ? | ? | PUNCT | _ | 4 make | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | make | present · do-support | this | vn build-26.1-1 «NP.asset V NP»: agent=Asset what=Product |
The options
Option 1 · ← Mova's choice
A life cycle
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 3 cycle | det |
| 2 | life | life | NOUN | Number=Sing | 3 cycle | compound |
| 3 | cycle | cycle | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 2 · ✓ the right answer
A food web
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 3 web | det |
| 2 | food | food | NOUN | Number=Sing | 3 web | compound |
| 3 | web | web | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 3
A single food chain
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 4 chain | det |
| 2 | single | single | ADJ | Degree=Pos | 4 chain | amod |
| 3 | food | food | NOUN | Number=Sing | 4 chain | compound |
| 4 | chain | chain | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 4
A habitat
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 2 habitat | det |
| 2 | habitat | habitat | NOUN | Number=Sing | root | 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.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/world/26-food-chains-and-webs/t9/