Exam question 4 · Roots, stems and leaves
Ascertain the cause of the autumnal reddening and yellowing of the leaves of deciduous trees.
Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you · What happens: ascertain, yellow, cause · To what, where: cause, autumnal reddening
This is exam question 4 of lesson 57 «Roots, stems and leaves» 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 cause | det |
| 3 | cause | cause | NOUN | Number=Sing | 1 Ascertain | obj |
| 4 | of | of | ADP | _ | 7 reddening | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 7 reddening | det |
| 6 | autumnal | autumnal | ADJ | Degree=Pos | 7 reddening | amod |
| 7 | reddening | reddening | NOUN | Number=Sing | 3 cause | nmod |
| 8 | and | and | CCONJ | _ | 9 yellowing | cc |
| 9 | yellowing | yellow | VERB | Tense=Pres VerbForm=Part | 7 reddening | conj |
| 10 | of | of | ADP | _ | 12 leaves | case |
| 11 | the | the | DET | Definite=Def PronType=Art | 12 leaves | det |
| 12 | leaves | leaf | NOUN | Number=Plur | 9 yellowing | obl |
| 13 | of | of | ADP | _ | 15 trees | case |
| 14 | deciduous | deciduous | ADJ | Degree=Pos | 15 trees | amod |
| 15 | trees | tree | NOUN | Number=Plur | 12 leaves | nmod |
| 16 | . | . | 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 cause of the autumnal reddening | vn discover-84 «NP V NP»: agent=Agent cause=Topic | ||||
| 2 | yellow | gerund | you not said here | of the leaves of deciduous trees | vn other_cos-45.4 «NP.patient V»: agent=Patient | ||||
| 3 | cause | the autumnal reddening | nom cause «event transitive»: of=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.
The options
Option 1 · ← Mova's choice
The deposition of colour by frost upon the surface
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 deposition | det |
| 2 | deposition | deposition | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 4 colour | case |
| 4 | colour | colour | NOUN | Number=Sing | 2 deposition | nmod |
| 5 | by | by | ADP | _ | 6 frost | case |
| 6 | frost | frost | NOUN | Number=Sing | 2 deposition | nmod |
| 7 | upon | upon | ADP | _ | 9 surface | case |
| 8 | the | the | DET | Definite=Def PronType=Art | 9 surface | det |
| 9 | surface | surface | NOUN | Number=Sing | 2 deposition | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | depose | colour | upon the surface | nom deposition «process intransitive»: of=agent upon=obl |
Option 2
The combustion of the leaf through the summer heat
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 combustion | det |
| 2 | combustion | combustion | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 leaf | case |
| 4 | the | the | DET | Definite=Def PronType=Art | 5 leaf | det |
| 5 | leaf | leaf | NOUN | Number=Sing | 2 combustion | nmod |
| 6 | through | through | ADP | _ | 9 heat | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 9 heat | det |
| 8 | summer | summer | NOUN | Number=Sing | 9 heat | compound |
| 9 | heat | heat | NOUN | Number=Sing | 2 combustion | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | combust | the leaf | the summer heat | nom combustion «process intransitive»: of=agent through=place |
Option 3 · ✓ the right answer
The breakdown of chlorophyll, revealing other pigments, some red ones newly made
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 breakdown | det |
| 2 | breakdown | breakdown | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 4 chlorophyll | case |
| 4 | chlorophyll | chlorophyll | NOUN | Number=Sing | 2 breakdown | nmod |
| 5 | , | , | PUNCT | _ | 6 revealing | punct |
| 6 | revealing | reveal | VERB | VerbForm=Ger | 2 breakdown | acl |
| 7 | other | other | ADJ | Degree=Pos | 8 pigments | amod |
| 8 | pigments | pigment | NOUN | Number=Plur | 6 revealing | obj |
| 9 | , | , | PUNCT | _ | 12 ones | punct |
| 10 | some | some | DET | PronType=Ind | 12 ones | det |
| 11 | red | red | ADJ | Degree=Pos | 12 ones | amod |
| 12 | ones | one | NOUN | Number=Plur | 8 pigments | appos |
| 13 | newly | newly | ADV | _ | 14 made | advmod |
| 14 | made | make | VERB | Tense=Past VerbForm=Part Voice=Pass | 12 ones | acl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | reveal | gerund | the breakdown of chlorophyll not said here | other pigments | vn confess-37.10 «NP V NP»: agent=Agent pigment=Topic | ||||
| 2 | make | participle | some red ones not said here | newly property | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
Option 4
The absorption of red light from the setting Sun
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 absorption | det |
| 2 | absorption | absorption | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 light | case |
| 4 | red | red | ADJ | Degree=Pos | 5 light | amod |
| 5 | light | light | NOUN | Number=Sing | 2 absorption | nmod |
| 6 | from | from | ADP | _ | 9 Sun | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 9 Sun | det |
| 8 | setting | setting | NOUN | Number=Sing | 9 Sun | compound |
| 9 | Sun | Sun | PROPN | Number=Sing | 5 light | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | absorb | red light from the setting Sun | nom absorption «process 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/biology/57-roots-stems-and-leaves/e4/