Balance: the centre of gravity, sentence 5
A ruler balances on your finger when your finger is right under its middle; a lump of clay on one end moves the balancing point towards the clay.
Who acts: ruler, finger, lump · What happens: balance, be, move · To what, where: finger, middle, balancing point, clay
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 (ruler, finger, lump), 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 | A | a | DET | Definite=Ind PronType=Art | 2 ruler | det |
| 2 | ruler | ruler | NOUN | Number=Sing | 3 balances | nsubj |
| 3 | balances | balance | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | on | on | ADP | _ | 6 finger | case |
| 5 | your | your | PRON | Case=Gen Person=2 Poss=Yes PronType=Prs | 6 finger | nmod:poss |
| 6 | finger | finger | NOUN | Number=Sing | 3 balances | obl |
| 7 | when | when | ADV | PronType=Int | 11 right | advmod |
| 8 | your | your | PRON | Case=Gen Person=2 Poss=Yes PronType=Prs | 9 finger | nmod:poss |
| 9 | finger | finger | NOUN | Number=Sing | 11 right | nsubj |
| 10 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 11 right | cop |
| 11 | right | right | ADJ | Degree=Pos | 3 balances | advcl |
| 12 | under | under | ADP | _ | 14 middle | case |
| 13 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 14 middle | nmod:poss |
| 14 | middle | middle | NOUN | Number=Sing | 11 right | obl |
| 15 | ; | ; | PUNCT | _ | 23 moves | punct |
| 16 | a | a | DET | Definite=Ind PronType=Art | 17 lump | det |
| 17 | lump | lump | NOUN | Number=Sing | 23 moves | nsubj |
| 18 | of | of | ADP | _ | 19 clay | case |
| 19 | clay | clay | NOUN | Number=Sing | 17 lump | nmod |
| 20 | on | on | ADP | _ | 22 end | case |
| 21 | one | one | NUM | NumForm=Word NumType=Card | 22 end | nummod |
| 22 | end | end | NOUN | Number=Sing | 17 lump | nmod |
| 23 | moves | move | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 balances | parataxis |
| 24 | the | the | DET | Definite=Def PronType=Art | 26 point | det |
| 25 | balancing | balance | NOUN | Number=Sing | 26 point | compound |
| 26 | point | point | NOUN | Number=Sing | 23 moves | obj |
| 27 | towards | towards | ADP | _ | 29 clay | case |
| 28 | the | the | DET | Definite=Def PronType=Art | 29 clay | det |
| 29 | clay | clay | NOUN | Number=Sing | 23 moves | obl |
| 30 | . | . | PUNCT | _ | 3 balances | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | balance | present | a ruler | your finger | vn spatial_configuration-47.6-1 «NP V PP.location»: agent=Theme on finger=Location | ||||
| 2 | is | present | your finger | finger's middle | right property | tree rules | |||
| 3 | move | present | a lump of clay on one end | the balancing point | the clay | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent point=Theme towards clay=Trajectory |
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:5.
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, R7-rel-agree ×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/physics/8-balance-the-centre-of-gravity/5/