Exam question 2 · Time zones: why it's night in Sydney when it's day in London
A flight departs London at 11:00 London time and is of eight hours' duration; New York is five hours behind London. Ascertain the local time of arrival in New York.
Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: flight, New York, you · What happens: depart, be, ascertain · To what, where: London, 11:00, five hours
This is exam question 2 of lesson 120 «Time zones: why it's night in Sydney when it's day in London» 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
Sentence 1: A flight departs London at 11:00 London time and is of eight hours' duration; New York is five hours behind London.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 2 flight | det |
| 2 | flight | flight | NOUN | Number=Sing | 3 departs | nsubj |
| 3 | departs | depart | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | London | London | PROPN | Number=Sing | 3 departs | obj |
| 5 | at | at | ADP | _ | 6 11:00 | case |
| 6 | 11:00 | 11:00 | NUM | NumForm=Digit NumType=Card | 3 departs | obl |
| 7 | London | London | PROPN | Number=Sing | 8 time | compound |
| 8 | time | time | NOUN | Number=Sing | 6 11:00 | nmod:unmarked |
| 9 | and | and | CCONJ | _ | 15 duration | cc |
| 10 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 15 duration | cop |
| 11 | of | of | ADP | _ | 15 duration | case |
| 12 | eight | eight | NUM | NumForm=Word NumType=Card | 13 hours | nummod |
| 13 | hours | hour | NOUN | Number=Plur | 15 duration | nmod:poss |
| 14 | ' | 's | PART | _ | 13 hours | case |
| 15 | duration | duration | NOUN | Number=Sing | 3 departs | conj |
| 16 | ; | ; | PUNCT | _ | 21 hours | punct |
| 17 | New | New | PROPN | Number=Sing | 18 York | flat |
| 18 | York | York | PROPN | Number=Sing | 21 hours | nsubj |
| 19 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 21 hours | cop |
| 20 | five | five | NUM | NumForm=Word NumType=Card | 21 hours | nummod |
| 21 | hours | hour | NOUN | Number=Plur | 3 departs | obl:unmarked |
| 22 | behind | behind | ADP | _ | 23 London | case |
| 23 | London | London | PROPN | Number=Sing | 21 hours | nmod |
| 24 | . | . | PUNCT | _ | 3 departs | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | depart | present | a flight | London | 11:00 London time | vn escape-51.1-1-1 «NP V NP»: agent=Theme london=Initial_Location | |||
| 2 | is | present | a flight not said here | hour | of eight hours's duration | tree rules | |||
| 3 | is a | present | New York | five hours | London | 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.
Sentence 2: Ascertain the local time of arrival in New York.
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 | 4 time | det |
| 3 | local | local | ADJ | Degree=Pos | 4 time | amod |
| 4 | time | time | NOUN | Number=Sing | 1 Ascertain | obj |
| 5 | of | of | ADP | _ | 6 arrival | case |
| 6 | arrival | arrival | NOUN | Number=Sing | 4 time | nmod |
| 7 | in | in | ADP | _ | 9 York | case |
| 8 | New | New | PROPN | Number=Sing | 9 York | flat |
| 9 | York | York | PROPN | Number=Sing | 6 arrival | 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 | time | vn discover-84 «NP V how S»: agent=Agent |
The options
Option 1 · ← Mova's choice
16:00
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 16:00 | 16:00 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 2
03:00
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 03:00 | 03:00 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 3 · ✓ the right answer
14:00
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 14:00 | 14:00 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 4
19:00
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 19:00 | 19:00 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
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/120-time-zones/e2/