Test 8 · ★★ · Black holes
Two black holes crash a billion light years away. What do we pick up on Earth?
Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: Two black holes, we · What happens: crash, pick up · To what, where: Earth
This is test 8 · ★★ of lesson 25 «Black holes» 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
Sentence 1: Two black holes crash a billion light years away.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Two | two | NUM | NumForm=Word NumType=Card | 3 holes | nummod |
| 2 | black | black | ADJ | Degree=Pos | 3 holes | amod |
| 3 | holes | hole | NOUN | Number=Plur | 4 crash | nsubj |
| 4 | crash | crash | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | a | a | DET | Definite=Ind PronType=Art | 6 billion | det |
| 6 | billion | billion | NUM | NumForm=Word NumType=Card | 8 years | nummod |
| 7 | light | light | NOUN | Number=Sing | 8 years | compound |
| 8 | years | year | NOUN | Number=Plur | 9 away | obl:unmarked |
| 9 | away | away | ADV | _ | 4 crash | advmod |
| 10 | . | . | PUNCT | _ | 4 crash | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | crash | present | Two black holes | away property | vn break-45.1 «NP.patient V»: agent=Patient |
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.
Sentence 2: What do we pick up on Earth?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | What | what | PRON | PronType=Int | 4 pick | obj |
| 2 | do | do | AUX | Mood=Ind Number=Plur Person=1 Tense=Pres VerbForm=Fin | 4 pick | aux |
| 3 | we | we | PRON | Case=Nom Number=Plur Person=1 PronType=Prs | 4 pick | nsubj |
| 4 | pick | pick | VERB | VerbForm=Inf | root | root |
| 5 | up | up | ADP | _ | 4 pick | compound:prt |
| 6 | on | on | ADP | _ | 7 Earth | case |
| 7 | Earth | Earth | PROPN | Number=Sing | 4 pick | obl |
| 8 | ? | ? | PUNCT | _ | 4 pick | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | pick up | present · do-support | we | Earth | vn discover-84-1 «NP V NP»: agent=Agent what=Topic |
The options
Option 1 · ← Mova's choice
A bright flash that lights up the night sky for a whole week
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 3 flash | det |
| 2 | bright | bright | ADJ | Degree=Pos | 3 flash | amod |
| 3 | flash | flash | NOUN | Number=Sing | root | root |
| 4 | that | that | PRON | PronType=Rel | 5 lights | nsubj |
| 5 | lights | light | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 flash | acl:relcl |
| 6 | up | up | ADP | _ | 5 lights | compound:prt |
| 7 | the | the | DET | Definite=Def PronType=Art | 9 sky | det |
| 8 | night | night | NOUN | Number=Sing | 9 sky | compound |
| 9 | sky | sky | NOUN | Number=Sing | 5 lights | obj |
| 10 | for | for | ADP | _ | 13 week | case |
| 11 | a | a | DET | Definite=Ind PronType=Art | 13 week | det |
| 12 | whole | whole | ADJ | Degree=Pos | 13 week | amod |
| 13 | week | week | NOUN | Number=Sing | 5 lights | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | light up | present | a bright flash | the night sky | week | vn preparing-26.3-1 «NP V NP»: agent=Agent sky=Product |
Option 2
A loud bang heard by everyone across the whole of the Earth
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 3 bang | det |
| 2 | loud | loud | ADJ | Degree=Pos | 3 bang | amod |
| 3 | bang | bang | NOUN | Number=Sing | root | root |
| 4 | heard | hear | VERB | Tense=Past VerbForm=Part Voice=Pass | 3 bang | acl |
| 5 | by | by | ADP | _ | 6 everyone | case |
| 6 | everyone | everyone | PRON | Number=Sing PronType=Tot | 4 heard | obl |
| 7 | across | across | ADP | _ | 9 whole | case |
| 8 | the | the | DET | Definite=Def PronType=Art | 9 whole | det |
| 9 | whole | whole | ADJ | Degree=Pos | 4 heard | obl |
| 10 | of | of | ADP | _ | 12 Earth | case |
| 11 | the | the | DET | Definite=Def PronType=Art | 12 Earth | det |
| 12 | Earth | Earth | PROPN | Number=Sing | 9 whole | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | hear | participle | a loud bang not said here | the whole | by everyone | vn see-30.1-1-1 «NP V PP.stimulus»: agent=Experiencer |
Option 3 · ✓ the right answer
Tiny ripples in space called gravitational waves
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Tiny | tiny | ADJ | Degree=Pos | 2 ripples | amod |
| 2 | ripples | ripple | NOUN | Number=Plur | root | root |
| 3 | in | in | ADP | _ | 4 space | case |
| 4 | space | space | NOUN | Number=Sing | 2 ripples | nmod |
| 5 | called | call | VERB | Tense=Past VerbForm=Part Voice=Pass | 2 ripples | acl |
| 6 | gravitational | gravitational | ADJ | Degree=Pos | 7 waves | amod |
| 7 | waves | wave | NOUN | Number=Plur | 5 called | xcomp |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | call | participle | Tiny ripples in space not said here | gravitational waves | vn initiate_communication-37.4.2-1 «NP V»: agent=Agent |
Option 4
A strong earthquake that shakes the ground all round the Earth
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 3 earthquake | det |
| 2 | strong | strong | ADJ | Degree=Pos | 3 earthquake | amod |
| 3 | earthquake | earthquake | NOUN | Number=Sing | root | root |
| 4 | that | that | PRON | PronType=Rel | 5 shakes | nsubj |
| 5 | shakes | shake | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 earthquake | acl:relcl |
| 6 | the | the | DET | Definite=Def PronType=Art | 7 ground | det |
| 7 | ground | ground | NOUN | Number=Sing | 5 shakes | obj |
| 8 | all | all | ADV | _ | 11 Earth | advmod |
| 9 | round | round | ADP | _ | 11 Earth | case |
| 10 | the | the | DET | Definite=Def PronType=Art | 11 Earth | det |
| 11 | Earth | Earth | PROPN | Number=Sing | 5 shakes | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | shake | present | a strong earthquake | the ground | the Earth | vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent ground=Theme round earth=Trajectory |
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/25-black-holes/t8/