Black holes, sentence 14
In 2015 the LIGO detectors in the USA first caught gravitational waves, ripples in space from two black holes merging about 1.3 billion light years away.
Who acts: LIGO detectors, two black holes · What happens: catch, merge · To what, where: gravitational waves, 2015
This is a sentence of the lesson «Black holes» of the space 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 (LIGO detectors, two black holes), 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 | In | in | ADP | _ | 2 2015 | case |
| 2 | 2015 | 2015 | NUM | NumForm=Digit NumType=Card | 10 caught | obl |
| 3 | the | the | DET | Definite=Def PronType=Art | 5 detectors | det |
| 4 | LIGO | LIGO | PROPN | Number=Sing | 5 detectors | compound |
| 5 | detectors | detector | NOUN | Number=Plur | 10 caught | nsubj |
| 6 | in | in | ADP | _ | 8 USA | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 USA | det |
| 8 | USA | USA | PROPN | Number=Sing | 5 detectors | nmod |
| 9 | first | first | ADV | NumForm=Word NumType=Ord | 10 caught | advmod |
| 10 | caught | catch | VERB | Mood=Ind Tense=Past VerbForm=Fin | root | root |
| 11 | gravitational | gravitational | ADJ | Degree=Pos | 12 waves | amod |
| 12 | waves | wave | NOUN | Number=Plur | 10 caught | obj |
| 13 | , | , | PUNCT | _ | 14 ripples | punct |
| 14 | ripples | ripple | NOUN | Number=Plur | 12 waves | conj |
| 15 | in | in | ADP | _ | 16 space | case |
| 16 | space | space | NOUN | Number=Sing | 14 ripples | nmod |
| 17 | from | from | ADP | _ | 20 holes | case |
| 18 | two | two | NUM | NumForm=Word NumType=Card | 20 holes | nummod |
| 19 | black | black | ADJ | Degree=Pos | 20 holes | amod |
| 20 | holes | hole | NOUN | Number=Plur | 12 waves | nmod |
| 21 | merging | merge | VERB | VerbForm=Ger | 20 holes | acl |
| 22 | about | about | ADV | _ | 24 billion | advmod |
| 23 | 1.3 | 1.3 | NUM | NumForm=Digit NumType=Card | 24 billion | compound |
| 24 | billion | billion | NUM | NumForm=Word NumType=Card | 26 years | nummod |
| 25 | light | light | NOUN | Number=Sing | 26 years | compound |
| 26 | years | year | NOUN | Number=Plur | 27 away | obl |
| 27 | away | away | ADV | _ | 21 merging | advmod |
| 28 | . | . | PUNCT | _ | 10 caught | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | catch | past | the LIGO detectors in the USA | gravitational waves and ripples in space | 2015 | from two black holes; first property | vn get-13.5.1 «NP V NP PP.source»: agent=Agent wave=Theme from hole=Source | ||
| 2 | merge | gerund | two black holes not said here | away property | vn mix-22.1-1-1 «NP V»: agent=Patient |
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:space:025-black-holes.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): R5-strong ×4. 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/space/25-black-holes/14/