The Arctic: ice, snow and the polar bear's world, sentence 14
The northern lights glow when tiny particles from the sun hit gases high in the air, mostly green from oxygen, and near Antarctica there are southern lights too.
Who acts: northern lights, tiny particles, southern lights · What happens: glow, hit, be · To what, where: gases, Antarctica
This is a sentence of the lesson «The Arctic: ice, snow and the polar bear's world» of the biology 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 (northern lights, tiny particles, southern lights), 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 | The | the | DET | Definite=Def PronType=Art | 3 lights | det |
| 2 | northern | northern | ADJ | Degree=Pos | 3 lights | amod |
| 3 | lights | light | NOUN | Number=Plur | 4 glow | nsubj |
| 4 | glow | glow | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | when | when | SCONJ | _ | 11 hit | mark |
| 6 | tiny | tiny | ADJ | Degree=Pos | 7 particles | amod |
| 7 | particles | particle | NOUN | Number=Plur | 11 hit | nsubj |
| 8 | from | from | ADP | _ | 10 sun | case |
| 9 | the | the | DET | Definite=Def PronType=Art | 10 sun | det |
| 10 | sun | sun | NOUN | Number=Sing | 7 particles | nmod |
| 11 | hit | hit | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 4 glow | advcl |
| 12 | gases | gas | NOUN | Number=Plur | 11 hit | obj |
| 13 | high | high | ADJ | Degree=Pos | 12 gases | amod |
| 14 | in | in | ADP | _ | 16 air | case |
| 15 | the | the | DET | Definite=Def PronType=Art | 16 air | det |
| 16 | air | air | NOUN | Number=Sing | 13 high | obl |
| 17 | , | , | PUNCT | _ | 19 green | punct |
| 18 | mostly | mostly | ADV | _ | 19 green | advmod |
| 19 | green | green | ADJ | Degree=Pos | 12 gases | parataxis |
| 20 | from | from | ADP | _ | 21 oxygen | case |
| 21 | oxygen | oxygen | NOUN | Number=Sing | 19 green | obl |
| 22 | , | , | PUNCT | _ | 27 are | punct |
| 23 | and | and | CCONJ | _ | 27 are | cc |
| 24 | near | near | ADP | _ | 25 Antarctica | case |
| 25 | Antarctica | Antarctica | PROPN | Number=Sing | 27 are | obl |
| 26 | there | there | PRON | PronType=Dem | 27 are | expl |
| 27 | are | be | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 4 glow | conj |
| 28 | southern | southern | ADJ | Degree=Pos | 29 lights | amod |
| 29 | lights | light | NOUN | Number=Plur | 27 are | nsubj |
| 30 | too | too | ADV | _ | 27 are | advmod |
| 31 | . | . | PUNCT | _ | 4 glow | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | glow | present | the northern lights | vn light_emission-43.1 «NP V»: agent=Theme | |||||
| 2 | hit | present | tiny particles from the sun | gases | vn contiguous_location-47.8-1 «NP V NP»: agent=Theme gas=Co-Theme | ||||
| 3 | does | present | southern lights | Antarctica; there | vn exist-47.1 «NP V PP.location»: agent=Theme near antarctica=Location |
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:biology:006-the-arctic.lesson:14.
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): R2-punct-next ×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/biology/6-the-arctic/14/