Test 11 · ★★★ · Balance in a food web
why r there way fewer foxes than rabbits
Mova's choice: option 1 · The right answer: option 4 · wrong ✗
This is test 11 · ★★★ of lesson 30 «Balance in a food web» 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
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | why | why | ADV | PronType=Int | 3 there | advmod |
| 2 | r | r | ADV | _ | 3 there | advmod |
| 3 | there | there | ADV | PronType=Dem | root | root |
| 4 | way | way | NOUN | Number=Sing | 6 foxes | compound |
| 5 | fewer | few | ADJ | Degree=Cmp | 6 foxes | amod |
| 6 | foxes | fox | NOUN | Number=Plur | 3 there | obj |
| 7 | than | than | ADP | _ | 8 rabbits | case |
| 8 | rabbits | rabbit | NOUN | Number=Plur | 3 there | obl |
The frames reader finds no event or fact in this sentence.
The options
Option 1 · ← Mova's choice
Rabbits eat the foxes' food
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Rabbits | rabbit | NOUN | Number=Plur | 2 eat | nsubj |
| 2 | eat | eat | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | the | the | DET | Definite=Def PronType=Art | 4 foxes | det |
| 4 | foxes | fox | NOUN | Number=Plur | 6 food | nmod:poss |
| 5 | ' | 's | PART | _ | 4 foxes | case |
| 6 | food | food | NOUN | Number=Sing | 2 eat | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | eat | present | Rabbits | the foxes's food | vn eat-39.1-1 «NP V NP»: agent=Agent food=Patient |
Option 2
Foxes just have fewer babies than rabbits, by pure chance
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Foxes | fox | NOUN | Number=Plur | 3 have | nsubj |
| 2 | just | just | ADV | _ | 3 have | advmod |
| 3 | have | have | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | fewer | few | ADJ | Degree=Cmp | 5 babies | amod |
| 5 | babies | baby | NOUN | Number=Plur | 3 have | obj |
| 6 | than | than | ADP | _ | 7 rabbits | case |
| 7 | rabbits | rabbit | NOUN | Number=Plur | 5 babies | nmod |
| 8 | , | , | PUNCT | _ | 11 chance | punct |
| 9 | by | by | ADP | _ | 11 chance | case |
| 10 | pure | pure | ADJ | Degree=Pos | 11 chance | amod |
| 11 | chance | chance | NOUN | Number=Sing | 3 have | conj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | have | present | Foxes | fewer babies | than rabbits | vn birth-28.2-1 «NP V NP»: agent=Agent baby=Patient |
Option 3
Foxes live only in the winter
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Foxes | fox | NOUN | Number=Plur | 2 live | nsubj |
| 2 | live | live | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | only | only | ADV | _ | 2 live | advmod |
| 4 | in | in | ADP | _ | 6 winter | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 winter | det |
| 6 | winter | winter | NOUN | Number=Sing | 2 live | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | live | present | Foxes | winter | vn exist-47.1-1 «NP V»: agent=Theme |
Option 4 · ✓ the right answer
Only a little energy passes up each step of the chain
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Only | only | ADV | _ | 5 passes | advmod |
| 2 | a | a | DET | Definite=Ind PronType=Art | 4 energy | det |
| 3 | little | little | ADJ | Degree=Pos | 4 energy | amod |
| 4 | energy | energy | NOUN | Number=Sing | 5 passes | nsubj |
| 5 | passes | pass | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 6 | up | up | ADP | _ | 5 passes | compound:prt |
| 7 | each | each | DET | PronType=Tot | 8 step | det |
| 8 | step | step | NOUN | Number=Sing | 5 passes | obj |
| 9 | of | of | ADP | _ | 11 chain | case |
| 10 | the | the | DET | Definite=Def PronType=Art | 11 chain | det |
| 11 | chain | chain | NOUN | Number=Sing | 8 step | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | pass up | present | a little energy | each step of the chain | vn escape-51.1-1-3 «NP V NP»: agent=Theme step=Trajectory | ||||
| 2 | step | the chain | nom step «act transitive»: of=patient |
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/30-balance-in-food-webs/t11/