Test 4 · ★ · Plate tectonics
The Himalayas still grow a few millimetres a year. Which kind of plate edge explains this?
Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: Himalayas, kind · What happens: grow, explain · To what, where: few millimetres, this
This is test 4 · ★ of lesson 42 «Plate tectonics» of the geography 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: The Himalayas still grow a few millimetres a year.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 Himalayas | det |
| 2 | Himalayas | Himalaya | PROPN | Number=Plur | 4 grow | nsubj |
| 3 | still | still | ADV | _ | 4 grow | advmod |
| 4 | grow | grow | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | a | a | DET | Definite=Ind PronType=Art | 7 millimetres | det |
| 6 | few | few | ADJ | Degree=Pos | 7 millimetres | amod |
| 7 | millimetres | millimetre | NOUN | Number=Plur | 4 grow | obj |
| 8 | a | a | DET | Definite=Ind PronType=Art | 9 year | det |
| 9 | year | year | NOUN | Number=Sing | 4 grow | obl:unmarked |
| 10 | . | . | PUNCT | _ | 4 grow | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | grow | present | the Himalayas | a few millimetres | still; year | vn appear-48.1.1 «PP.location V NP»: agent=Location millimetre=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: Which kind of plate edge explains this?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Which | which | DET | PronType=Int | 2 kind | det |
| 2 | kind | kind | NOUN | Number=Sing | 6 explains | nsubj |
| 3 | of | of | ADP | _ | 5 edge | case |
| 4 | plate | plate | NOUN | Number=Sing | 5 edge | compound |
| 5 | edge | edge | NOUN | Number=Sing | 2 kind | nmod |
| 6 | explains | explain | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 7 | this | this | PRON | Number=Sing PronType=Dem | 6 explains | obj |
| 8 | ? | ? | PUNCT | _ | 6 explains | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | explain speech: assert | present | which kind of plate edge | this | vn transfer_mesg-37.1.1 «NP V NP»: agent=Agent this=Topic |
The options
Option 1
Two plates pulling apart and making new sea floor
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Two | two | NUM | NumForm=Word NumType=Card | 2 plates | nummod |
| 2 | plates | plate | NOUN | Number=Plur | root | root |
| 3 | pulling | pull | VERB | VerbForm=Ger | 2 plates | acl |
| 4 | apart | apart | ADV | _ | 3 pulling | advmod |
| 5 | and | and | CCONJ | _ | 6 making | cc |
| 6 | making | make | VERB | VerbForm=Ger | 3 pulling | conj |
| 7 | new | new | ADJ | Degree=Pos | 9 floor | amod |
| 8 | sea | sea | NOUN | Number=Sing | 9 floor | compound |
| 9 | floor | floor | NOUN | Number=Sing | 6 making | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | pull apart | gerund | Two plates not said here | apart property | vn slide-11.2 «NP V»: agent=Theme | ||||
| 2 | make | gerund | Two plates not said here | new sea floor | vn build-26.1-1 «NP.asset V NP»: agent=Asset floor=Product |
Option 2
An ocean plate sinking under a continent
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | An | a | DET | Definite=Ind PronType=Art | 3 plate | det |
| 2 | ocean | ocean | NOUN | Number=Sing | 3 plate | compound |
| 3 | plate | plate | NOUN | Number=Sing | root | root |
| 4 | sinking | sink | VERB | VerbForm=Ger | 3 plate | acl |
| 5 | under | under | ADP | _ | 7 continent | case |
| 6 | a | a | DET | Definite=Ind PronType=Art | 7 continent | det |
| 7 | continent | continent | NOUN | Number=Sing | 4 sinking | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | sink | gerund | a ocean plate not said here | a continent | vn other_cos-45.4 «NP.patient V»: agent=Patient |
Option 3 · ← Mova's choice · ✓ the right answer
Two continents colliding and crumpling the crust upwards
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Two | two | NUM | NumForm=Word NumType=Card | 2 continents | nummod |
| 2 | continents | continent | NOUN | Number=Plur | root | root |
| 3 | colliding | collide | VERB | VerbForm=Ger | 2 continents | acl |
| 4 | and | and | CCONJ | _ | 5 crumpling | cc |
| 5 | crumpling | crumple | VERB | VerbForm=Ger | 3 colliding | conj |
| 6 | the | the | DET | Definite=Def PronType=Art | 7 crust | det |
| 7 | crust | crust | NOUN | Number=Sing | 5 crumpling | obj |
| 8 | upwards | upwards | ADV | _ | 5 crumpling | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | collide | gerund | Two continents not said here | vn bump-18.4-1 «NP V together»: agent=Theme | |||||
| 2 | crumple | gerund | Two continents not said here | the crust | upwards property | vn bend-45.2 «NP V NP.patient»: agent=Agent crust=Patient |
Option 4
Two plates sliding past sideways
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Two | two | NUM | NumForm=Word NumType=Card | 2 plates | nummod |
| 2 | plates | plate | NOUN | Number=Plur | root | root |
| 3 | sliding | slide | VERB | VerbForm=Ger | 2 plates | acl |
| 4 | past | past | ADP | _ | 5 sideways | case |
| 5 | sideways | sideways | ADV | _ | 3 sliding | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | slide | gerund | Two plates not said here | vn run-51.3.2-2 «NP V PP.location»: agent=Theme past sideways=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.
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