Mirrors, rainbows and the blue sky, sentence 15
Clouds are white because their droplets are much bigger than air molecules and scatter all colours equally; thick rain clouds look grey because little light gets through.
Who acts: Clouds, droplets, thick rain clouds, little light · What happens: be, scatter, look, get through · To what, where: colours
This is a sentence of the lesson «Mirrors, rainbows and the blue sky» of the physics course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Clouds, droplets, thick rain clouds, little light), what happens, when and where, as Mova's frames read it from the tree.
The tree
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Clouds | cloud | NOUN | Number=Plur | 3 white | nsubj |
| 2 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 white | cop |
| 3 | white | white | ADJ | Degree=Pos | root | root |
| 4 | because | because | SCONJ | _ | 9 bigger | mark |
| 5 | their | their | PRON | Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs | 6 droplets | nmod:poss |
| 6 | droplets | droplet | NOUN | Number=Plur | 9 bigger | nsubj |
| 7 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 9 bigger | cop |
| 8 | much | much | ADV | _ | 9 bigger | advmod |
| 9 | bigger | big | ADJ | Degree=Cmp | 3 white | advcl |
| 10 | than | than | ADP | _ | 12 molecules | case |
| 11 | air | air | NOUN | Number=Sing | 12 molecules | compound |
| 12 | molecules | molecule | NOUN | Number=Plur | 9 bigger | obl |
| 13 | and | and | CCONJ | _ | 14 scatter | cc |
| 14 | scatter | scatter | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 9 bigger | conj |
| 15 | all | all | DET | PronType=Tot | 16 colours | det |
| 16 | colours | colour | NOUN | Number=Plur | 14 scatter | obj |
| 17 | equally | equally | ADV | _ | 14 scatter | advmod |
| 18 | ; | ; | PUNCT | _ | 22 look | punct |
| 19 | thick | thick | ADJ | Degree=Pos | 21 clouds | amod |
| 20 | rain | rain | NOUN | Number=Sing | 21 clouds | compound |
| 21 | clouds | cloud | NOUN | Number=Plur | 22 look | nsubj |
| 22 | look | look | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 white | parataxis |
| 23 | grey | grey | ADJ | Degree=Pos | 22 look | xcomp |
| 24 | because | because | SCONJ | _ | 27 gets | mark |
| 25 | little | little | ADJ | Degree=Pos | 26 light | amod |
| 26 | light | light | NOUN | Number=Sing | 27 gets | nsubj |
| 27 | gets | get | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 22 look | advcl |
| 28 | through | through | ADV | _ | 27 gets | advmod |
| 29 | . | . | PUNCT | _ | 3 white | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | Clouds | white property | tree rules | ||||
| 2 | is | present | Clouds's droplets | than air molecules; big property | tree rules | ||||
| 3 | scatter | present | Clouds's droplets not said here | all colours | equally property | vn spray-9.7-1 «NP V NP.theme»: agent=Agent colour=Theme | |||
| 4 | look | present | thick rain clouds | grey property | vn stimulus_subject-30.4 «NP V ADJ»: agent=Stimulus | ||||
| 5 | get through | present | little light | through property | vn cope-83-1-1 «NP V»: agent=Agent |
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.
Licence: CC BY-SA 4.0, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, mova-school-agreed-en.conllu) is part. The lessons were written for Mova's primary school. Sentence school:physics:021-mirrors-rainbows-and-the-blue-sky.lesson:15.
The tree: Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×1. The frames are read from the tree by Mova's frames reader (prag) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.
See the release 0.4.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/physics/21-mirrors-rainbows-and-the-blue-sky/15/