Balance: the centre of gravity, sentence 13
On a seesaw, a heavy person near the middle can balance a light person far from the middle.
Who acts: heavy person · What happens: balance · To what, where: light person, seesaw
This is a sentence of the lesson «Balance: the centre of gravity» 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 (heavy person), 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 | On | on | ADP | _ | 3 seesaw | case |
| 2 | a | a | DET | Definite=Ind PronType=Art | 3 seesaw | det |
| 3 | seesaw | seesaw | NOUN | Number=Sing | 12 balance | obl |
| 4 | , | , | PUNCT | _ | 3 seesaw | punct |
| 5 | a | a | DET | Definite=Ind PronType=Art | 7 person | det |
| 6 | heavy | heavy | ADJ | Degree=Pos | 7 person | amod |
| 7 | person | person | NOUN | Number=Sing | 12 balance | nsubj |
| 8 | near | near | ADP | _ | 10 middle | case |
| 9 | the | the | DET | Definite=Def PronType=Art | 10 middle | det |
| 10 | middle | middle | NOUN | Number=Sing | 7 person | nmod |
| 11 | can | can | AUX | VerbForm=Fin | 12 balance | aux |
| 12 | balance | balance | VERB | VerbForm=Inf | root | root |
| 13 | a | a | DET | Definite=Ind PronType=Art | 15 person | det |
| 14 | light | light | ADJ | Degree=Pos | 15 person | amod |
| 15 | person | person | NOUN | Number=Sing | 12 balance | obj |
| 16 | far | far | ADV | Degree=Pos | 19 middle | advmod |
| 17 | from | from | ADP | _ | 19 middle | case |
| 18 | the | the | DET | Definite=Def PronType=Art | 19 middle | det |
| 19 | middle | middle | NOUN | Number=Sing | 12 balance | obl |
| 20 | . | . | PUNCT | _ | 12 balance | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | balance | can | a heavy person near the middle | a light person | a seesaw | from the middle | vn spatial_configuration-47.6-1 «NP V NP.theme PP»: agent=Agent person=Theme on seesaw=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:physics:008-balance-the-centre-of-gravity.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): 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/8-balance-the-centre-of-gravity/13/