Test 6 · Forces — pushes, pulls, friction and magnets
Why do people put oil on a squeaky bicycle chain?
Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: people · What happens: put · To what, where: oil, squeaky bicycle chain
This is test 6 of lesson 51 «Forces — pushes, pulls, friction and magnets» of the world 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 put | advmod |
| 2 | do | do | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 4 put | aux |
| 3 | people | people | NOUN | Number=Plur | 4 put | nsubj |
| 4 | put | put | VERB | VerbForm=Inf | root | root |
| 5 | oil | oil | NOUN | Number=Sing | 4 put | obj |
| 6 | on | on | ADP | _ | 10 chain | case |
| 7 | a | a | DET | Definite=Ind PronType=Art | 10 chain | det |
| 8 | squeaky | squeaky | ADJ | Degree=Pos | 10 chain | amod |
| 9 | bicycle | bicycle | NOUN | Number=Sing | 10 chain | compound |
| 10 | chain | chain | NOUN | Number=Sing | 4 put | obl |
| 11 | ? | ? | PUNCT | _ | 4 put | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | put | present · do-support | people | oil | a squeaky bicycle chain | vn put-9.1-2 «NP V PP.destination NP»: agent=Agent oil=Theme on chain=Destination |
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
Oil increases the grip of the chain
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Oil | oil | NOUN | Number=Sing | 2 increases | nsubj |
| 2 | increases | increase | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | the | the | DET | Definite=Def PronType=Art | 4 grip | det |
| 4 | grip | grip | NOUN | Number=Sing | 2 increases | obj |
| 5 | of | of | ADP | _ | 7 chain | case |
| 6 | the | the | DET | Definite=Def PronType=Art | 7 chain | det |
| 7 | chain | chain | NOUN | Number=Sing | 4 grip | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | increase | present | Oil | the grip of the chain | vn caused_calibratable_cos-45.6.2-1 «NP V NP.patient»: agent=Causer grip=Patient | ||||
| 2 | grip | the chain | nom grip «act transitive»: of=patient |
Option 2
Oil makes the metal magnetic
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Oil | oil | 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 | 4 metal | det |
| 4 | metal | metal | NOUN | Number=Sing | 2 makes | obj |
| 5 | magnetic | magnetic | ADJ | Degree=Pos | 2 makes | xcomp |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | make | present | Oil | the metal | magnetic property | vn build-26.1-1 «NP.material V NP»: agent=Material metal=Product |
Option 3
Oil makes the chain heavier and stronger
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Oil | oil | 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 | 4 chain | det |
| 4 | chain | chain | NOUN | Number=Sing | 2 makes | obj |
| 5 | heavier | heavy | ADJ | Degree=Cmp | 2 makes | xcomp |
| 6 | and | and | CCONJ | _ | 7 stronger | cc |
| 7 | stronger | strong | ADJ | Degree=Cmp | 5 heavier | conj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | make | present | Oil | the chain | heavy property | vn build-26.1-1 «NP.material V NP»: agent=Material chain=Product |
Option 4 · ← Mova's choice · ✓ the right answer
Oil reduces the friction between the moving parts
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Oil | oil | NOUN | Number=Sing | 2 reduces | nsubj |
| 2 | reduces | reduce | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | the | the | DET | Definite=Def PronType=Art | 4 friction | det |
| 4 | friction | friction | NOUN | Number=Sing | 2 reduces | obj |
| 5 | between | between | ADP | _ | 8 parts | case |
| 6 | the | the | DET | Definite=Def PronType=Art | 8 parts | det |
| 7 | moving | move | VERB | VerbForm=Ger | 8 parts | amod |
| 8 | parts | part | NOUN | Number=Plur | 4 friction | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | reduce | present | Oil | the friction | between the moving parts | vn limit-76 «NP V NP»: agent=Causer friction=Patient | |||
| 2 | move | gerund | vn roll-51.3.1 «NP.theme V»: agent=Theme |
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/world/51-forces/t6/