Test 10 · Friction: the grip that stops and helps
Gran says brakes get hot cos the sun shines on them. right?
Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: Gran, brakes, sun · What happens: say, get, shine · Speech: someone speaks here
This is test 10 of lesson 6 «Friction: the grip that stops and helps» 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 | Gran | Gran | PROPN | Number=Sing | 2 says | nsubj |
| 2 | says | say | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | brakes | brake | NOUN | Number=Plur | 4 get | nsubj |
| 4 | get | get | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 2 says | ccomp |
| 5 | hot | hot | ADJ | Degree=Pos | 4 get | xcomp |
| 6 | cos | cos | SCONJ | _ | 9 shines | mark |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 sun | det |
| 8 | sun | sun | NOUN | Number=Sing | 9 shines | nsubj |
| 9 | shines | shine | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 get | advcl |
| 10 | on | on | ADP | _ | 11 them | case |
| 11 | them | they | PRON | Case=Acc Number=Plur Person=3 PronType=Prs | 9 shines | obl |
| 12 | . | . | PUNCT | _ | 2 says | punct |
| 13 | right | right | ADV | _ | 2 says | advmod |
| 14 | ? | ? | PUNCT | _ | 2 says | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | say speech: assert | present | Gran | right property | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic | ||||
| 2 | get | present | brakes | hot property | vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer | ||||
| 3 | shine | present | the sun | on brakes = brake | vn light_emission-43.1 «NP V PP.location»: agent=Theme on they=Location |
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
No, brakes get cold when used
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | No | no | INTJ | Polarity=Neg | 4 get | discourse |
| 2 | , | , | PUNCT | _ | 4 get | punct |
| 3 | brakes | brake | NOUN | Number=Plur | 4 get | nsubj |
| 4 | get | get | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | cold | cold | ADJ | Degree=Pos | 4 get | xcomp |
| 6 | when | when | SCONJ | _ | 7 used | mark |
| 7 | used | use | VERB | Tense=Past VerbForm=Part Voice=Pass | 4 get | advcl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | get | present | brakes | cold property | vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer | ||||
| 2 | use | participle | brakes not said here | vn eat-39.1 «NP V»: agent=Agent |
Option 2 · ✓ the right answer
No, friction turns the speed into heat
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | No | no | INTJ | Polarity=Neg | 4 turns | discourse |
| 2 | , | , | PUNCT | _ | 4 turns | punct |
| 3 | friction | friction | NOUN | Number=Sing | 4 turns | nsubj |
| 4 | turns | turn | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 speed | det |
| 6 | speed | speed | NOUN | Number=Sing | 4 turns | obj |
| 7 | into | into | ADP | _ | 8 heat | case |
| 8 | heat | heat | NOUN | Number=Sing | 4 turns | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | turn | present | friction | the speed | heat | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent speed=Theme into heat=Trajectory |
Option 3
Yes, black brakes always get hot
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Yes | yes | INTJ | Polarity=Pos | 6 get | discourse |
| 2 | , | , | PUNCT | _ | 1 Yes | punct |
| 3 | black | black | ADJ | Degree=Pos | 4 brakes | amod |
| 4 | brakes | brake | NOUN | Number=Plur | 6 get | nsubj |
| 5 | always | always | ADV | PronType=Tot | 6 get | advmod |
| 6 | get | get | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 7 | hot | hot | ADJ | Degree=Pos | 6 get | xcomp |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | get | present | black brakes | always, hot property | vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer |
Option 4
Yes, dark brakes soak up the sunshine all day
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Yes | yes | INTJ | Polarity=Pos | 5 soak | discourse |
| 2 | , | , | PUNCT | _ | 5 soak | punct |
| 3 | dark | dark | ADJ | Degree=Pos | 4 brakes | amod |
| 4 | brakes | brake | NOUN | Number=Plur | 5 soak | nsubj |
| 5 | soak | soak | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 6 | up | up | ADP | _ | 5 soak | compound:prt |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 sunshine | det |
| 8 | sunshine | sunshine | NOUN | Number=Sing | 5 soak | obj |
| 9 | all | all | DET | PronType=Tot | 10 day | det |
| 10 | day | day | NOUN | Number=Sing | 5 soak | obl:unmarked |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | soak up | present | dark brakes | the sunshine | day | vn wipe_manner-10.4.1 «NP V NP.source»: agent=Agent sunshine=Source |
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/6-friction-the-grip/t10/