Test 7 · Mercury
Why does Mercury keep its craters for billions of years?
Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: Mercury · What happens: keep · To what, where: craters
This is test 7 of lesson 3 «Mercury» of the space 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 keep | advmod |
| 2 | does | do | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 keep | aux |
| 3 | Mercury | Mercury | PROPN | Number=Sing | 4 keep | nsubj |
| 4 | keep | keep | VERB | VerbForm=Inf | root | root |
| 5 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 6 craters | nmod:poss |
| 6 | craters | crater | NOUN | Number=Plur | 4 keep | obj |
| 7 | for | for | ADP | _ | 8 billions | case |
| 8 | billions | billion | NOUN | Number=Plur | 4 keep | obl |
| 9 | of | of | ADP | _ | 10 years | case |
| 10 | years | year | NOUN | Number=Plur | 8 billions | nmod |
| 11 | ? | ? | PUNCT | _ | 4 keep | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | keep | present · do-support | Mercury | its craters | for billions of years | vn keep-15.2 «NP V NP»: agent=Agent crater=Theme |
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
Its moons protect them
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 2 moons | nmod:poss |
| 2 | moons | moon | NOUN | Number=Plur | 3 protect | nsubj |
| 3 | protect | protect | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | them | they | PRON | Case=Acc Number=Plur Person=3 PronType=Prs | 3 protect | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | protect | present | Its moons | them = they | vn defend-72.3 «NP V NP»: agent=Agent they=Beneficiary |
Option 2 · ← Mova's choice · ✓ the right answer
It has no air, rain or moving plates to wear them away
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 has | nsubj |
| 2 | has | have | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | no | no | DET | PronType=Neg | 4 air | det |
| 4 | air | air | NOUN | Number=Sing | 2 has | obj |
| 5 | , | , | PUNCT | _ | 6 rain | punct |
| 6 | rain | rain | NOUN | Number=Sing | 4 air | conj |
| 7 | or | or | CCONJ | _ | 8 moving | cc |
| 8 | moving | move | VERB | Tense=Pres VerbForm=Part | 4 air | conj |
| 9 | plates | plate | NOUN | Number=Plur | 8 moving | obj |
| 10 | to | to | PART | _ | 11 wear | mark |
| 11 | wear | wear | VERB | VerbForm=Inf | 8 moving | advcl |
| 12 | them | they | PRON | Case=Acc Number=Plur Person=3 PronType=Prs | 11 wear | obj |
| 13 | away | away | ADV | _ | 11 wear | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | have | present | It | no air and rain | vn birth-28.2-1 «NP V NP»: agent=Agent air=Patient | ||||
| 2 | move | gerund | plates | vn roll-51.3.1 «NP V NP.theme»: agent=Agent plate=Theme | |||||
| 3 | wear away | to-infinitive | plates = plate | away property | vn wipe_manner-10.4.1-1 «NP V NP.source»: agent=Agent they=Source |
Option 3
The Sun bakes them hard like pottery in a kiln, so they last
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 Sun | det |
| 2 | Sun | Sun | PROPN | Number=Sing | 3 bakes | nsubj |
| 3 | bakes | bake | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | them | they | PRON | Case=Acc Number=Plur Person=3 PronType=Prs | 3 bakes | obj |
| 5 | hard | hard | ADV | Degree=Pos | 3 bakes | advmod |
| 6 | like | like | ADP | _ | 7 pottery | case |
| 7 | pottery | pottery | NOUN | Number=Sing | 3 bakes | obl |
| 8 | in | in | ADP | _ | 10 kiln | case |
| 9 | a | a | DET | Definite=Ind PronType=Art | 10 kiln | det |
| 10 | kiln | kiln | NOUN | Number=Sing | 3 bakes | obl |
| 11 | , | , | PUNCT | _ | 14 last | punct |
| 12 | so | so | ADV | _ | 14 last | advmod |
| 13 | they | they | PRON | Case=Nom Number=Plur Person=3 PronType=Prs | 14 last | nsubj |
| 14 | last | last | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 bakes | conj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | bake | present | the Sun | them = they | like pottery; in a kiln; hard property | vn cooking-45.3 «NP V NP PP.instrument»: agent=Agent they=Patient in kiln=Instrument | |||
| 2 | last | present | they | vn cost-54.2 «NP V NP.value»: agent=Theme |
Option 4
Its craters are refilled every year
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 2 craters | nmod:poss |
| 2 | craters | crater | NOUN | Number=Plur | 4 refilled | nsubj |
| 3 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 4 refilled | aux:pass |
| 4 | refilled | refill | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 5 | every | every | DET | PronType=Tot | 6 year | det |
| 6 | year | year | NOUN | Number=Sing | 4 refilled | obl:unmarked |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | refill | present · passive | Its craters | year | tree rules |
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/3-mercury/t7/