Test 5 · Friction: the grip that stops and helps
Why do drivers use low gears on long mountain roads?
Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: drivers · What happens: use · To what, where: low gears, long mountain roads
This is test 5 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 | Why | why | ADV | PronType=Int | 4 use | advmod |
| 2 | do | do | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 4 use | aux |
| 3 | drivers | driver | NOUN | Number=Plur | 4 use | nsubj |
| 4 | use | use | VERB | VerbForm=Inf | root | root |
| 5 | low | low | ADJ | Degree=Pos | 6 gears | amod |
| 6 | gears | gear | NOUN | Number=Plur | 4 use | obj |
| 7 | on | on | ADP | _ | 10 roads | case |
| 8 | long | long | ADJ | Degree=Pos | 10 roads | amod |
| 9 | mountain | mountain | NOUN | Number=Sing | 10 roads | compound |
| 10 | roads | road | NOUN | Number=Plur | 4 use | obl |
| 11 | ? | ? | PUNCT | _ | 4 use | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | use | present · do-support | drivers | low gears | long mountain roads | vn eat-39.1 «NP V NP»: agent=Agent gear=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
So the car goes faster downhill
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | So | so | ADV | _ | 4 goes | advmod |
| 2 | the | the | DET | Definite=Def PronType=Art | 3 car | det |
| 3 | car | car | NOUN | Number=Sing | 4 goes | nsubj |
| 4 | goes | go | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | faster | fast | ADV | Degree=Cmp | 4 goes | advmod |
| 6 | downhill | downhill | ADV | _ | 4 goes | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | go | present | the car | downhill, fast property | vn disappearance-48.2-1 «NP V»: agent=Theme |
Option 2
To save petrol going down
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | To | to | PART | _ | 2 save | mark |
| 2 | save | save | VERB | VerbForm=Inf | 4 going | advcl |
| 3 | petrol | petrol | NOUN | Number=Sing | 2 save | obj |
| 4 | going | go | VERB | Tense=Pres VerbForm=Part | root | root |
| 5 | down | down | ADV | _ | 4 going | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | save | to-infinitive | petrol | vn get-13.5.1-1 «NP V NP»: agent=Agent petrol=Theme | |||||
| 2 | go down | gerund | down property | vn calibratable_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |
Option 3 · ← Mova's choice · ✓ the right answer
So the brakes do not get too hot
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | So | so | ADV | _ | 6 get | advmod |
| 2 | the | the | DET | Definite=Def PronType=Art | 3 brakes | det |
| 3 | brakes | brake | NOUN | Number=Plur | 6 get | nsubj |
| 4 | do | do | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 6 get | aux |
| 5 | not | not | PART | Polarity=Neg | 6 get | advmod |
| 6 | get | get | VERB | VerbForm=Inf | root | root |
| 7 | too | too | ADV | _ | 8 hot | advmod |
| 8 | hot | hot | ADJ | Degree=Pos | 6 get | xcomp |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | not get | present · do-support | the brakes | hot property | vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer |
Option 4
Because high gears break on hills
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Because | because | SCONJ | _ | 4 break | mark |
| 2 | high | high | ADJ | Degree=Pos | 3 gears | amod |
| 3 | gears | gear | NOUN | Number=Plur | 4 break | nsubj |
| 4 | break | break | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | on | on | ADP | _ | 6 hills | case |
| 6 | hills | hill | NOUN | Number=Plur | 4 break | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | break | present | high gears | hills | vn appear-48.1.1 «NP V PP.location»: agent=Theme on hill=Location |
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/t5/