Exam question 4 · Trees
Ascertain the proportion of the land surface of the Earth covered by tropical rainforests.
Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: you · What happens: ascertain, cover · To what, where: proportion, land surface
This is exam question 4 of lesson 60 «Trees» 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.
The question
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Ascertain | ascertain | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | the | the | DET | Definite=Def PronType=Art | 3 proportion | det |
| 3 | proportion | proportion | NOUN | Number=Sing | 1 Ascertain | obj |
| 4 | of | of | ADP | _ | 7 surface | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 7 surface | det |
| 6 | land | land | NOUN | Number=Sing | 7 surface | compound |
| 7 | surface | surface | NOUN | Number=Sing | 3 proportion | nmod |
| 8 | of | of | ADP | _ | 10 Earth | case |
| 9 | the | the | DET | Definite=Def PronType=Art | 10 Earth | det |
| 10 | Earth | Earth | PROPN | Number=Sing | 7 surface | nmod |
| 11 | covered | cover | VERB | Tense=Past VerbForm=Part Voice=Pass | 7 surface | acl |
| 12 | by | by | ADP | _ | 14 rainforests | case |
| 13 | tropical | tropical | ADJ | Degree=Pos | 14 rainforests | amod |
| 14 | rainforests | rainforest | NOUN | Number=Plur | 11 covered | obl |
| 15 | . | . | PUNCT | _ | 1 Ascertain | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ascertain | imperative | you not said here | the proportion of the land surface of the Earth | vn discover-84 «NP V NP»: agent=Agent proportion=Topic | ||||
| 2 | cover | participle | the land surface of the Earth not said here | by tropical rainforests | vn fill-9.8-1 «NP V NP»: agent=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
Option 1 · ← Mova's choice
Approximately one half
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Approximately | approximately | ADV | _ | 2 one | advmod |
| 2 | one | one | NUM | NumForm=Word NumType=Card | 3 half | nummod |
| 3 | half | half | NOUN | Number=Sing NumForm=Word NumType=Frac | root | root |
The frames reader finds no event or fact in this sentence.
Option 2 · ✓ the right answer
Approximately six per cent
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Approximately | approximately | ADV | _ | 2 six | advmod |
| 2 | six | six | NUM | NumForm=Word NumType=Card | 4 cent | nummod |
| 3 | per | per | NOUN | Number=Sing | 4 cent | compound |
| 4 | cent | cent | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 3
Approximately one per thousand
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Approximately | approximately | ADV | _ | 3 per | advmod |
| 2 | one | one | NUM | NumForm=Word NumType=Card | 3 per | nummod |
| 3 | per | per | NOUN | Number=Sing | root | root |
| 4 | thousand | thousand | NUM | NumForm=Word NumType=Card | 3 per | flat |
The frames reader finds no event or fact in this sentence.
Option 4
Approximately ninety per cent
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Approximately | approximately | ADV | _ | 2 ninety | advmod |
| 2 | ninety | ninety | NUM | NumForm=Word NumType=Card | 4 cent | nummod |
| 3 | per | per | NOUN | Number=Sing | 4 cent | compound |
| 4 | cent | cent | 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/biology/60-trees/e4/