Test 2 · ★★ · Phases, eclipses and tides
Your friend says there's a solar eclipse at full Moon tonight. What is wrong?
Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: friend, solar eclipse · What happens: say, be · Speech: someone speaks here
This is test 2 · ★★ of lesson 7 «Phases, eclipses and tides» 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: Your friend says there's a solar eclipse at full Moon tonight.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Your | your | PRON | Case=Gen Person=2 Poss=Yes PronType=Prs | 2 friend | nmod:poss |
| 2 | friend | friend | NOUN | Number=Sing | 3 says | nsubj |
| 3 | says | say | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | there | there | PRON | PronType=Dem | 5 's | expl |
| 5 | 's | be | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 says | ccomp |
| 6 | a | a | DET | Definite=Ind PronType=Art | 8 eclipse | det |
| 7 | solar | solar | ADJ | Degree=Pos | 8 eclipse | amod |
| 8 | eclipse | eclipse | NOUN | Number=Sing | 5 's | nsubj |
| 9 | at | at | ADP | _ | 11 Moon | case |
| 10 | full | full | ADJ | Degree=Pos | 11 Moon | amod |
| 11 | Moon | Moon | PROPN | Number=Sing | 8 eclipse | nmod |
| 12 | tonight | tonight | NOUN | Number=Sing | 5 's | obl:unmarked |
| 13 | . | . | PUNCT | _ | 3 says | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | say speech: assert | present | Your friend | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic | |||||
| 2 | be | present | a solar eclipse at full Moon | there | tonight | vn exist-47.1 «NP V»: agent=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.
Sentence 2: What is wrong?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | What | what | PRON | PronType=Int | 3 wrong | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 wrong | cop |
| 3 | wrong | wrong | ADJ | Degree=Pos | root | root |
| 4 | ? | ? | PUNCT | _ | 3 wrong | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | wrong property | tree rules |
The options
Option 1
Solar eclipses happen only at midnight
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Solar | solar | ADJ | Degree=Pos | 2 eclipses | amod |
| 2 | eclipses | eclipse | NOUN | Number=Plur | 3 happen | nsubj |
| 3 | happen | happen | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | only | only | ADV | _ | 6 midnight | advmod |
| 5 | at | at | ADP | _ | 6 midnight | case |
| 6 | midnight | midnight | NOUN | Number=Sing | 3 happen | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | happen | present | Solar eclipses | midnight | vn occur-48.3-1 «NP V»: agent=Theme |
Option 2
Eclipses happen only in winter
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Eclipses | eclipse | NOUN | Number=Plur | 2 happen | nsubj |
| 2 | happen | happen | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | only | only | ADV | _ | 5 winter | advmod |
| 4 | in | in | ADP | _ | 5 winter | case |
| 5 | winter | winter | NOUN | Number=Sing | 2 happen | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | happen | present | Eclipses | winter | vn occur-48.3-1 «NP V»: agent=Theme |
Option 3
Nothing, solar eclipses happen at full Moon
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Nothing | nothing | PRON | Number=Sing PronType=Neg | 5 happen | nsubj |
| 2 | , | , | PUNCT | _ | 1 Nothing | punct |
| 3 | solar | solar | ADJ | Degree=Pos | 4 eclipses | amod |
| 4 | eclipses | eclipse | NOUN | Number=Plur | 5 happen | nsubj |
| 5 | happen | happen | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 6 | at | at | ADP | _ | 8 Moon | case |
| 7 | full | full | ADJ | Degree=Pos | 8 Moon | amod |
| 8 | Moon | Moon | PROPN | Number=Sing | 5 happen | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | happen | present | Nothing | full Moon | vn occur-48.3-1 «NP V PP»: agent=Theme at moon=Location |
Option 4 · ← Mova's choice · ✓ the right answer
A solar eclipse can happen only at new Moon
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 3 eclipse | det |
| 2 | solar | solar | ADJ | Degree=Pos | 3 eclipse | amod |
| 3 | eclipse | eclipse | NOUN | Number=Sing | 5 happen | nsubj |
| 4 | can | can | AUX | VerbForm=Fin | 5 happen | aux |
| 5 | happen | happen | VERB | VerbForm=Inf | root | root |
| 6 | only | only | ADV | _ | 9 Moon | advmod |
| 7 | at | at | ADP | _ | 9 Moon | case |
| 8 | new | new | ADJ | Degree=Pos | 9 Moon | amod |
| 9 | Moon | Moon | PROPN | Number=Sing | 5 happen | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | happen | can | a solar eclipse | new Moon | vn occur-48.3-1 «NP V PP»: agent=Theme at moon=Location |
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/7-phases-eclipses-and-tides/t2/