How stars die, sentence 13
In 1967 Jocelyn Bell Burnell, a student from Northern Ireland, discovered pulsars, spinning neutron stars that sweep beams of radio waves past the Earth like a lighthouse.
Who acts: Jocelyn, pulsars, neutron stars · What happens: discover, spin, sweep, beam · To what, where: pulsars, 1967, neutron stars, beams, Earth, radio waves
This is a sentence of the lesson «How stars die» 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 (Jocelyn, pulsars, neutron stars), 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 1967 | case |
| 2 | 1967 | 1967 | NUM | NumForm=Digit NumType=Card | 13 discovered | obl |
| 3 | Jocelyn | Jocelyn | PROPN | Number=Sing | 13 discovered | nsubj |
| 4 | Bell | bell | NOUN | Number=Sing | 3 Jocelyn | flat |
| 5 | Burnell | Burnell | PROPN | Number=Sing | 3 Jocelyn | flat |
| 6 | , | , | PUNCT | _ | 8 student | punct |
| 7 | a | a | DET | Definite=Ind PronType=Art | 8 student | det |
| 8 | student | student | NOUN | Number=Sing | 3 Jocelyn | appos |
| 9 | from | from | ADP | _ | 11 Ireland | case |
| 10 | Northern | Northern | PROPN | Number=Sing | 11 Ireland | flat |
| 11 | Ireland | Ireland | PROPN | Number=Sing | 8 student | nmod |
| 12 | , | , | PUNCT | _ | 14 pulsars | punct |
| 13 | discovered | discover | VERB | Mood=Ind Tense=Past VerbForm=Fin | root | root |
| 14 | pulsars | pulsar | NOUN | Number=Plur | 13 discovered | obj |
| 15 | , | , | PUNCT | _ | 16 spinning | punct |
| 16 | spinning | spin | VERB | Tense=Pres VerbForm=Part | 14 pulsars | acl |
| 17 | neutron | neutron | NOUN | Number=Sing | 18 stars | compound |
| 18 | stars | star | NOUN | Number=Plur | 16 spinning | obj |
| 19 | that | that | PRON | PronType=Rel | 20 sweep | nsubj |
| 20 | sweep | sweep | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 18 stars | acl:relcl |
| 21 | beams | beam | NOUN | Number=Plur | 20 sweep | obj |
| 22 | of | of | ADP | _ | 24 waves | case |
| 23 | radio | radio | NOUN | Number=Sing | 24 waves | compound |
| 24 | waves | wave | NOUN | Number=Plur | 21 beams | nmod |
| 25 | past | past | ADP | _ | 27 Earth | case |
| 26 | the | the | DET | Definite=Def PronType=Art | 27 Earth | det |
| 27 | Earth | Earth | PROPN | Number=Sing | 20 sweep | obl |
| 28 | like | like | ADP | _ | 30 lighthouse | case |
| 29 | a | a | DET | Definite=Ind PronType=Art | 30 lighthouse | det |
| 30 | lighthouse | lighthouse | NOUN | Number=Sing | 20 sweep | obl |
| 31 | . | . | PUNCT | _ | 13 discovered | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | discover | past | Jocelyn | pulsars | 1967 | vn discover-84-1 «NP V NP»: agent=Agent pulsar=Topic | |||
| 2 | spin | gerund | pulsars not said here | neutron stars | vn roll-51.3.1 «NP V NP.theme»: agent=Agent star=Theme | ||||
| 3 | sweep | present | neutron stars | beams of radio waves | the Earth | like a lighthouse | vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent beam=Theme past earth=Trajectory | ||
| 4 | beam | radio waves | nom beam «communication transitive»: of=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:019-how-stars-die.lesson:13.
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 ×2. 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/19-how-stars-die/13/