Test 7 · ★ · Compasses and the magnetic Earth
Why might a racing pigeon get confused over a big lump of magnetic iron ore?
Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: racing pigeon · What happens: get
This is test 7 · ★ of lesson 30 «Compasses and the magnetic Earth» 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 | 6 get | advmod |
| 2 | might | might | AUX | VerbForm=Fin | 6 get | aux |
| 3 | a | a | DET | Definite=Ind PronType=Art | 5 pigeon | det |
| 4 | racing | racing | NOUN | Number=Sing | 5 pigeon | compound |
| 5 | pigeon | pigeon | NOUN | Number=Sing | 6 get | nsubj |
| 6 | get | get | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 7 | confused | confused | ADJ | Degree=Pos | 6 get | xcomp |
| 8 | over | over | ADP | _ | 11 lump | case |
| 9 | a | a | DET | Definite=Ind PronType=Art | 11 lump | det |
| 10 | big | big | ADJ | Degree=Pos | 11 lump | amod |
| 11 | lump | lump | NOUN | Number=Sing | 7 confused | obl |
| 12 | of | of | ADP | _ | 15 ore | case |
| 13 | magnetic | magnetic | ADJ | Degree=Pos | 15 ore | amod |
| 14 | iron | iron | NOUN | Number=Sing | 15 ore | compound |
| 15 | ore | ore | NOUN | Number=Sing | 11 lump | nmod |
| 16 | ? | ? | PUNCT | _ | 6 get | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | get | might | a racing pigeon | confused property | vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer |
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 · ✓ the right answer
It uses the Earth's magnetic field to steer, and that can be disturbed
The tree, 14 words
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | It | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 2 uses | nsubj |
| 2 | uses | use | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | the | the | DET | Definite=Def PronType=Art | 4 Earth | det |
| 4 | Earth | Earth | PROPN | Number=Sing | 7 field | nmod:poss |
| 5 | 's | 's | PART | _ | 4 Earth | case |
| 6 | magnetic | magnetic | ADJ | Degree=Pos | 7 field | amod |
| 7 | field | field | NOUN | Number=Sing | 2 uses | obj |
| 8 | to | to | PART | _ | 9 steer | mark |
| 9 | steer | steer | VERB | VerbForm=Inf | 7 field | acl |
| 10 | , | , | PUNCT | _ | 15 disturbed | punct |
| 11 | and | and | CCONJ | _ | 15 disturbed | cc |
| 12 | that | that | PRON | Number=Sing PronType=Dem | 15 disturbed | nsubj:pass |
| 13 | can | can | AUX | VerbForm=Fin | 15 disturbed | aux |
| 14 | be | be | AUX | VerbForm=Inf | 15 disturbed | aux:pass |
| 15 | disturbed | disturb | VERB | Tense=Past VerbForm=Part Voice=Pass | 2 uses | parataxis |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | use | present | It | the Earth's magnetic field | vn eat-39.1 «NP V NP»: agent=Agent field=Patient | ||||
| 2 | steer | to-infinitive | the Earth's magnetic field not said here | vn accompany-51.7 «NP V NP»: agent=Agent | |||||
| 3 | disturb | can · passive | that | vn amuse-31.1 «NP V NP»: subject=Experiencer |
Option 2
Pigeons are scared of rocks
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Pigeons | pigeon | NOUN | Number=Plur | 3 scared | nsubj |
| 2 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 scared | cop |
| 3 | scared | scared | ADJ | Degree=Pos | root | root |
| 4 | of | of | ADP | _ | 5 rocks | case |
| 5 | rocks | rock | NOUN | Number=Plur | 3 scared | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | Pigeons | of rocks; scared property | tree rules |
Option 3
The rocks block the smell of home
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 rocks | det |
| 2 | rocks | rock | NOUN | Number=Plur | 3 block | nsubj |
| 3 | block | block | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | the | the | DET | Definite=Def PronType=Art | 5 smell | det |
| 5 | smell | smell | NOUN | Number=Sing | 3 block | obj |
| 6 | of | of | ADP | _ | 7 home | case |
| 7 | home | home | NOUN | Number=Sing | 5 smell | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | block | present | the rocks | the smell of home | vn forbid-64.4-1 «NP V NP»: agent=Causer smell=Theme | ||||
| 2 | smell | home | nom smell «cognition intransitive»: of=agent |
Option 4
Pigeons only follow motorways
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Pigeons | pigeon | NOUN | Number=Plur | 3 follow | nsubj |
| 2 | only | only | ADV | _ | 3 follow | advmod |
| 3 | follow | follow | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | motorways | motorway | NOUN | Number=Plur | 3 follow | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | follow | present | Pigeons | motorways | vn chase-51.6 «NP V NP»: agent=Agent motorway=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/physics/30-compasses-and-the-magnetic-earth/t7/