Test 1 · ★ · Mirrors, rainbows and the blue sky
Me cousin says the sky's blue cos it reflects the sea. Is that right?
Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: Me cousin, cousin, that · What happens: say, reflect, be · To what, where: blue, sea · Speech: someone speaks here
This is test 1 · ★ of lesson 21 «Mirrors, rainbows and the blue sky» 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
Sentence 1: Me cousin says the sky's blue cos it reflects the sea.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Me | I | PRON | Case=Acc Number=Sing Person=1 PronType=Prs | 2 cousin | compound |
| 2 | cousin | cousin | NOUN | Number=Sing | 3 says | nsubj |
| 3 | says | say | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | the | the | DET | Definite=Def PronType=Art | 5 sky | det |
| 5 | sky | sky | NOUN | Number=Sing | 7 blue | nmod:poss |
| 6 | 's | 's | PART | _ | 5 sky | case |
| 7 | blue | blue | ADJ | Degree=Pos | 3 says | obj |
| 8 | cos | cos | SCONJ | _ | 10 reflects | mark |
| 9 | it | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 10 reflects | nsubj |
| 10 | reflects | reflect | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 says | advcl |
| 11 | the | the | DET | Definite=Def PronType=Art | 12 sea | det |
| 12 | sea | sea | NOUN | Number=Sing | 10 reflects | obj |
| 13 | . | . | PUNCT | _ | 3 says | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | say speech: assert | present | Me cousin | the sky's blue | vn say-37.7-1-1 «NP V NP.topic»: agent=Agent blue=Topic | ||||
| 2 | reflect | present | cousin | the sea | 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.
Sentence 2: Is that right?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 right | cop |
| 2 | that | that | PRON | Number=Sing PronType=Dem | 3 right | nsubj |
| 3 | right | right | ADJ | Degree=Pos | root | root |
| 4 | ? | ? | PUNCT | _ | 3 right | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | that | right property | tree rules |
The options
Option 1 · ← Mova's choice
Yes, and over deserts the sky is yellow
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Yes | yes | INTJ | Polarity=Pos | 5 deserts | discourse |
| 2 | , | , | PUNCT | _ | 1 Yes | punct |
| 3 | and | and | CCONJ | _ | 5 deserts | cc |
| 4 | over | over | ADP | _ | 5 deserts | case |
| 5 | deserts | desert | NOUN | Number=Plur | root | root |
| 6 | the | the | DET | Definite=Def PronType=Art | 7 sky | det |
| 7 | sky | sky | NOUN | Number=Sing | 9 yellow | nsubj |
| 8 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 9 yellow | cop |
| 9 | yellow | yellow | ADJ | Degree=Pos | 5 deserts | acl:relcl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | the sky | deserts not said here | yellow property | tree rules |
Option 2 · ✓ the right answer
No, the air scatters blue light more than other colours
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | No | no | INTJ | Polarity=Neg | 5 scatters | discourse |
| 2 | , | , | PUNCT | _ | 1 No | punct |
| 3 | the | the | DET | Definite=Def PronType=Art | 4 air | det |
| 4 | air | air | NOUN | Number=Sing | 5 scatters | nsubj |
| 5 | scatters | scatter | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 6 | blue | blue | ADJ | Degree=Pos | 7 light | amod |
| 7 | light | light | NOUN | Number=Sing | 5 scatters | obj |
| 8 | more | more | ADV | Degree=Cmp | 5 scatters | advmod |
| 9 | than | than | ADP | _ | 11 colours | case |
| 10 | other | other | ADJ | Degree=Pos | 11 colours | amod |
| 11 | colours | colour | NOUN | Number=Plur | 8 more | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | scatter | present | the air | blue light | vn spray-9.7-1 «NP V NP.theme»: agent=Agent light=Theme |
Option 3
No, the sky is blue because the space behind the air is blue
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | No | no | INTJ | Polarity=Neg | 6 blue | discourse |
| 2 | , | , | PUNCT | _ | 1 No | punct |
| 3 | the | the | DET | Definite=Def PronType=Art | 4 sky | det |
| 4 | sky | sky | NOUN | Number=Sing | 6 blue | nsubj |
| 5 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 6 blue | cop |
| 6 | blue | blue | ADJ | Degree=Pos | root | root |
| 7 | because | because | SCONJ | _ | 14 blue | mark |
| 8 | the | the | DET | Definite=Def PronType=Art | 9 space | det |
| 9 | space | space | NOUN | Number=Sing | 14 blue | nsubj |
| 10 | behind | behind | ADP | _ | 12 air | case |
| 11 | the | the | DET | Definite=Def PronType=Art | 12 air | det |
| 12 | air | air | NOUN | Number=Sing | 9 space | nmod |
| 13 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 14 blue | cop |
| 14 | blue | blue | ADJ | Degree=Pos | 6 blue | advcl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | the sky | blue property | tree rules | ||||
| 2 | is | present | the space behind the air | blue property | tree rules |
Option 4
Yes, the sea paints the sky blue
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Yes | yes | INTJ | Polarity=Pos | 5 paints | discourse |
| 2 | , | , | PUNCT | _ | 1 Yes | punct |
| 3 | the | the | DET | Definite=Def PronType=Art | 4 sea | det |
| 4 | sea | sea | NOUN | Number=Sing | 5 paints | nsubj |
| 5 | paints | paint | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 6 | the | the | DET | Definite=Def PronType=Art | 8 blue | det |
| 7 | sky | sky | NOUN | Number=Sing | 8 blue | compound |
| 8 | blue | blue | NOUN | Number=Sing | 5 paints | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | paint | present | the sea | the sky blue | vn image_impression-25.1 «NP V NP.destination»: agent=Agent blue=Destination |
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/21-mirrors-rainbows-and-the-blue-sky/t1/