Test 4 · ★ · Living with friction: oil, wheels and grip
Why would a gymnast with sweaty hands be in danger on the bars?
Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: gymnast · What happens: be · To what, where: danger
This is test 4 · ★ of lesson 7 «Living with friction: oil, wheels and grip» 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 | 10 danger | advmod |
| 2 | would | would | AUX | VerbForm=Fin | 10 danger | aux |
| 3 | a | a | DET | Definite=Ind PronType=Art | 4 gymnast | det |
| 4 | gymnast | gymnast | NOUN | Number=Sing | 10 danger | nsubj |
| 5 | with | with | ADP | _ | 7 hands | case |
| 6 | sweaty | sweaty | ADJ | Degree=Pos | 7 hands | amod |
| 7 | hands | hand | NOUN | Number=Plur | 4 gymnast | nmod |
| 8 | be | be | AUX | VerbForm=Inf | 10 danger | cop |
| 9 | in | in | ADP | _ | 10 danger | case |
| 10 | danger | danger | NOUN | Number=Sing | root | root |
| 11 | on | on | ADP | _ | 13 bars | case |
| 12 | the | the | DET | Definite=Def PronType=Art | 13 bars | det |
| 13 | bars | bar | NOUN | Number=Plur | 10 danger | nmod |
| 14 | ? | ? | PUNCT | _ | 10 danger | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | would | a gymnast with sweaty hands | danger | on the bars | 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 · ← Mova's choice
Sweat freezes onto the cold metal bars at once
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Sweat | sweat | NOUN | Number=Sing | 2 freezes | nsubj |
| 2 | freezes | freeze | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | onto | onto | ADP | _ | 7 bars | case |
| 4 | the | the | DET | Definite=Def PronType=Art | 7 bars | det |
| 5 | cold | cold | ADJ | Degree=Pos | 7 bars | amod |
| 6 | metal | metal | NOUN | Number=Sing | 7 bars | compound |
| 7 | bars | bar | NOUN | Number=Plur | 2 freezes | obl |
| 8 | at | at | ADP | _ | 9 once | case |
| 9 | once | once | ADV | NumForm=Word NumType=Mult | 2 freezes | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | freeze | present | Sweat | the cold metal bars | vn other_cos-45.4-1 «NP.patient V»: agent=Patient |
Option 2
Sweat makes the bar bend
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Sweat | sweat | NOUN | Number=Sing | 2 makes | nsubj |
| 2 | makes | make | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | the | the | DET | Definite=Def PronType=Art | 5 bend | det |
| 4 | bar | bar | NOUN | Number=Sing | 5 bend | compound |
| 5 | bend | bend | NOUN | Number=Sing | 2 makes | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | make | present | Sweat | the bar bend | vn build-26.1-1 «NP.asset V NP»: agent=Asset bend=Product |
Option 3 · ✓ the right answer
Sweaty skin is slippery and she could slip
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Sweaty | sweaty | ADJ | Degree=Pos | 2 skin | amod |
| 2 | skin | skin | NOUN | Number=Sing | 4 slippery | nsubj |
| 3 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 slippery | cop |
| 4 | slippery | slippery | ADJ | Degree=Pos | root | root |
| 5 | and | and | CCONJ | _ | 8 slip | cc |
| 6 | she | she | PRON | Case=Nom Gender=Fem Number=Sing Person=3 PronType=Prs | 8 slip | nsubj |
| 7 | could | could | AUX | VerbForm=Fin | 8 slip | aux |
| 8 | slip | slip | VERB | VerbForm=Inf | 4 slippery | conj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | Sweaty skin | slippery property | tree rules | ||||
| 2 | slip | could | she | vn calibratable_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |
Option 4
Sweat makes her too heavy
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Sweat | sweat | NOUN | Number=Sing | 2 makes | nsubj |
| 2 | makes | make | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | her | she | PRON | Case=Acc Gender=Fem Number=Sing Person=3 PronType=Prs | 2 makes | obj |
| 4 | too | too | ADV | _ | 5 heavy | advmod |
| 5 | heavy | heavy | ADJ | Degree=Pos | 2 makes | xcomp |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | make | present | Sweat | her = she | heavy property | vn build-26.1-1 «NP.asset V NP»: agent=Asset she=Product |
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/7-living-with-friction/t4/