Exam question 4 · Day and night, shadows and sundials
Which of the following statements most accurately characterises the duration of daylight at the equator?
Mova's choice: option 2 · The right answer: option 2 · right ✓ · What happens: follow, characteris · To what, where: duration, equator
This is exam question 4 of lesson 118 «Day and night, shadows and sundials» of the world 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 | Which | which | PRON | PronType=Rel | 8 characterises | nsubj |
| 2 | of | of | ADP | _ | 5 statements | case |
| 3 | the | the | DET | Definite=Def PronType=Art | 5 statements | det |
| 4 | following | follow | VERB | VerbForm=Ger | 5 statements | amod |
| 5 | statements | statement | NOUN | Number=Plur | 8 characterises | obl |
| 6 | most | most | ADV | Degree=Sup | 7 accurately | advmod |
| 7 | accurately | accurately | ADV | _ | 8 characterises | advmod |
| 8 | characterises | characteris | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 9 | the | the | DET | Definite=Def PronType=Art | 10 duration | det |
| 10 | duration | duration | NOUN | Number=Sing | 8 characterises | obj |
| 11 | of | of | ADP | _ | 12 daylight | case |
| 12 | daylight | daylight | NOUN | Number=Sing | 10 duration | nmod |
| 13 | at | at | ADP | _ | 15 equator | case |
| 14 | the | the | DET | Definite=Def PronType=Art | 15 equator | det |
| 15 | equator | equator | NOUN | Number=Sing | 8 characterises | obl |
| 16 | ? | ? | PUNCT | _ | 8 characterises | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | follow | gerund | vn occur-48.3-1 «NP V»: agent=Theme | ||||||
| 2 | characteris | present | the duration of daylight | the equator | of the following statements; accurately property | tree rules |
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
Daylight varies by some five hours between summer and winter
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Daylight | daylight | NOUN | Number=Sing | 2 varies | nsubj |
| 2 | varies | vary | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | by | by | ADP | _ | 6 hours | case |
| 4 | some | some | DET | PronType=Ind | 6 hours | det |
| 5 | five | five | NUM | NumForm=Word NumType=Card | 6 hours | nummod |
| 6 | hours | hour | NOUN | Number=Plur | 2 varies | obl |
| 7 | between | between | ADP | _ | 8 summer | case |
| 8 | summer | summer | NOUN | Number=Sing | 6 hours | nmod |
| 9 | and | and | CCONJ | _ | 10 winter | cc |
| 10 | winter | winter | NOUN | Number=Sing | 8 summer | conj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | vary | present | Daylight | hour | vn caused_calibratable_cos-45.6.2-1 «NP V ADV-Middle»: agent=Patient |
Option 2 · ← Mova's choice · ✓ the right answer
Day and night are each approximately twelve hours throughout the year
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Day | Day | PROPN | Number=Sing | 8 hours | nsubj |
| 2 | and | and | CCONJ | _ | 3 night | cc |
| 3 | night | night | NOUN | Number=Sing | 1 Day | conj |
| 4 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 8 hours | cop |
| 5 | each | each | DET | PronType=Tot | 8 hours | det |
| 6 | approximately | approximately | ADV | _ | 7 twelve | advmod |
| 7 | twelve | twelve | NUM | NumForm=Word NumType=Card | 8 hours | nummod |
| 8 | hours | hour | NOUN | Number=Plur | root | root |
| 9 | throughout | throughout | ADP | _ | 11 year | case |
| 10 | the | the | DET | Definite=Def PronType=Art | 11 year | det |
| 11 | year | year | NOUN | Number=Sing | 8 hours | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is a | present | Day and night | each twelve hours | year | tree rules |
Option 3
Daylight persists for several weeks during the summer
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Daylight | daylight | NOUN | Number=Sing | 2 persists | nsubj |
| 2 | persists | persist | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | for | for | ADP | _ | 5 weeks | case |
| 4 | several | several | ADJ | Degree=Pos | 5 weeks | amod |
| 5 | weeks | week | NOUN | Number=Plur | 2 persists | obl |
| 6 | during | during | ADP | _ | 8 summer | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 summer | det |
| 8 | summer | summer | NOUN | Number=Sing | 2 persists | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | persist | present | Daylight | summer; week | vn exist-47.1 «NP V»: agent=Theme |
Option 4
Daylight is absent for several weeks during the winter
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Daylight | daylight | NOUN | Number=Sing | 3 absent | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 absent | cop |
| 3 | absent | absent | ADJ | Degree=Pos | root | root |
| 4 | for | for | ADP | _ | 6 weeks | case |
| 5 | several | several | ADJ | Degree=Pos | 6 weeks | amod |
| 6 | weeks | week | NOUN | Number=Plur | 3 absent | obl |
| 7 | during | during | ADP | _ | 9 winter | case |
| 8 | the | the | DET | Definite=Def PronType=Art | 9 winter | det |
| 9 | winter | winter | NOUN | Number=Sing | 3 absent | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | Daylight | week; winter | absent property | 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/world/118-day-night-shadows-sundials/e4/