Test 9 · Light and shadows
Which is true about light and shadow?
Mova's choice: option 3 · The right answer: option 3 · right ✓ · What happens: be
This is test 9 of lesson 20 «Light and shadows» of the physics 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 | Which | which | PRON | PronType=Rel | 3 true | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 true | cop |
| 3 | true | true | ADJ | Degree=Pos | root | root |
| 4 | about | about | ADP | _ | 5 light | case |
| 5 | light | light | NOUN | Number=Sing | 3 true | obl |
| 6 | and | and | CCONJ | _ | 7 shadow | cc |
| 7 | shadow | shadow | NOUN | Number=Sing | 5 light | conj |
| 8 | ? | ? | PUNCT | _ | 3 true | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | about light and shadow; true property | tree rules |
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
A shadow can bend round corners
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 2 shadow | det |
| 2 | shadow | shadow | NOUN | Number=Sing | 4 bend | nsubj |
| 3 | can | can | AUX | VerbForm=Fin | 4 bend | aux |
| 4 | bend | bend | VERB | VerbForm=Inf | root | root |
| 5 | round | round | ADJ | Degree=Pos | 6 corners | amod |
| 6 | corners | corner | NOUN | Number=Plur | 4 bend | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | bend | can | a shadow | round corners | vn knead-26.5 «NP V NP.material»: agent=Agent corner=Material |
Option 2
Shadows are made of dark gas
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Shadows | shadow | NOUN | Number=Plur | 3 made | nsubj:pass |
| 2 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 made | aux:pass |
| 3 | made | make | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 4 | of | of | ADP | _ | 6 gas | case |
| 5 | dark | dark | ADJ | Degree=Pos | 6 gas | amod |
| 6 | gas | gas | NOUN | Number=Sing | 3 made | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | make | present · passive | Shadows | of dark gas | vn build-26.1-1 «NP.asset V NP»: subject=Product |
Option 3 · ← Mova's choice · ✓ the right answer
A shadow has the outline of the thing that blocks the light
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 2 shadow | det |
| 2 | shadow | shadow | NOUN | Number=Sing | 3 has | nsubj |
| 3 | has | have | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | the | the | DET | Definite=Def PronType=Art | 5 outline | det |
| 5 | outline | outline | NOUN | Number=Sing | 3 has | obj |
| 6 | of | of | ADP | _ | 8 thing | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 thing | det |
| 8 | thing | thing | NOUN | Number=Sing | 5 outline | nmod |
| 9 | that | that | PRON | PronType=Rel | 10 blocks | nsubj |
| 10 | blocks | block | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 8 thing | acl:relcl |
| 11 | the | the | DET | Definite=Def PronType=Art | 12 light | det |
| 12 | light | light | NOUN | Number=Sing | 10 blocks | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | have | present | a shadow | the outline of the thing | vn birth-28.2-1 «NP V NP»: agent=Agent outline=Patient | ||||
| 2 | block | present | the thing | the light | vn forbid-64.4-1 «NP V NP»: agent=Causer light=Theme |
Option 4
Shadows are thicker on sunny days at noon
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Shadows | shadow | NOUN | Number=Plur | 3 thicker | nsubj |
| 2 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 thicker | cop |
| 3 | thicker | thick | ADJ | Degree=Cmp | root | root |
| 4 | on | on | ADP | _ | 6 days | case |
| 5 | sunny | sunny | ADJ | Degree=Pos | 6 days | amod |
| 6 | days | day | NOUN | Number=Plur | 3 thicker | obl |
| 7 | at | at | ADP | _ | 8 noon | case |
| 8 | noon | noon | NOUN | Number=Sing | 3 thicker | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | Shadows | day; noon | thick property | tree rules |
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/physics/20-light-and-shadows/t9/