Exam question 2 · The Earth as a planet
Ascertain the origin of the Earth's magnetic field.
Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: you · What happens: ascertain · To what, where: origin
This is exam question 2 of lesson 5 «The Earth as a planet» of the space course of Mova's primary school, asked in stiff, formal language. 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 | Ascertain | ascertain | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | the | the | DET | Definite=Def PronType=Art | 3 origin | det |
| 3 | origin | origin | NOUN | Number=Sing | 1 Ascertain | obj |
| 4 | of | of | ADP | _ | 9 field | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 Earth | det |
| 6 | Earth | Earth | PROPN | Number=Sing | 9 field | nmod:poss |
| 7 | 's | 's | PART | _ | 6 Earth | case |
| 8 | magnetic | magnetic | ADJ | Degree=Pos | 9 field | amod |
| 9 | field | field | NOUN | Number=Sing | 3 origin | nmod |
| 10 | . | . | PUNCT | _ | 1 Ascertain | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ascertain | imperative | you not said here | the origin of the Earth's magnetic field | vn discover-84 «NP V NP»: agent=Agent origin=Topic |
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 gravitational influence of the Moon
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 3 influence | det |
| 2 | gravitational | gravitational | ADJ | Degree=Pos | 3 influence | amod |
| 3 | influence | influence | NOUN | Number=Sing | root | root |
| 4 | of | of | ADP | _ | 6 Moon | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 Moon | det |
| 6 | Moon | Moon | PROPN | Number=Sing | 3 influence | nmod |
The frames reader finds no event or fact in this sentence.
Option 2
A permanent magnet situated at the geographic North Pole
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 3 magnet | det |
| 2 | permanent | permanent | ADJ | Degree=Pos | 3 magnet | amod |
| 3 | magnet | magnet | NOUN | Number=Sing | root | root |
| 4 | situated | situate | VERB | Tense=Past VerbForm=Part Voice=Pass | 3 magnet | acl |
| 5 | at | at | ADP | _ | 9 Pole | case |
| 6 | the | the | DET | Definite=Def PronType=Art | 9 Pole | det |
| 7 | geographic | geographic | ADJ | Degree=Pos | 9 Pole | amod |
| 8 | North | North | PROPN | Number=Sing | 9 Pole | compound |
| 9 | Pole | Pole | PROPN | Number=Sing | 4 situated | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | situate | participle | a permanent magnet not said here | the geographic North Pole | vn put-9.1 «NP V NP PP.destination»: agent=Agent at pole=Destination |
Option 3
Electrical discharges within the atmosphere
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Electrical | electrical | ADJ | Degree=Pos | 2 discharges | amod |
| 2 | discharges | discharge | NOUN | Number=Plur | root | root |
| 3 | within | within | ADP | _ | 5 atmosphere | case |
| 4 | the | the | DET | Definite=Def PronType=Art | 5 atmosphere | det |
| 5 | atmosphere | atmosphere | NOUN | Number=Sing | 2 discharges | nmod |
The frames reader finds no event or fact in this sentence.
Option 4 · ✓ the right answer
The motion of liquid iron within the outer core
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 motion | det |
| 2 | motion | motion | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 iron | case |
| 4 | liquid | liquid | ADJ | Degree=Pos | 5 iron | amod |
| 5 | iron | iron | NOUN | Number=Sing | 2 motion | nmod |
| 6 | within | within | ADP | _ | 9 core | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 9 core | det |
| 8 | outer | outer | ADJ | Degree=Pos | 9 core | amod |
| 9 | core | core | NOUN | Number=Sing | 2 motion | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | motion | liquid iron | within the outer core | nom motion «communication intransitive»: of=agent within=obl |
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/space/5-the-earth-as-a-planet/e2/