The Bahamas, sentence 174
From Wikipedia, «The Bahamas», revision of the 2026-09-01 dump, CC BY-SA 4.0. The trees and pragmatics of these pages, Mova's parse of that text, are CC BY-SA 4.0 too.
Coral reefs form the "retaining walls" of these atolls, within which oolites and pellets form.
Who acts: Coral reefs, oolites · What happens: form, retain · To what, where: retaining walls
This is a sentence of the English Wikipedia article «The Bahamas». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Coral reefs, oolites), what happens, when and where, as Mova's frames read it from the tree.
Parsed by Mova, not checked by a teacher. This tree is Mova's own parse (the en model, on the CPU, when the site is built); it may be wrong. The article's note marks are left out of the parse.
The tree
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Coral | coral | NOUN | _ | 2 reefs | compound |
| 2 | reefs | reef | NOUN | Number=Plur | 3 form | nsubj |
| 3 | form | form | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | the | the | DET | Definite=Def PronType=Art | 7 walls | det |
| 5 | " | " | PUNCT | _ | 6 retaining | punct |
| 6 | retaining | retain | VERB | VerbForm=Ger | 7 walls | amod |
| 7 | walls | wall | NOUN | Number=Plur | 3 form | obj |
| 8 | " | " | PUNCT | _ | 7 walls | punct |
| 9 | of | of | ADP | _ | 11 atolls | case |
| 10 | these | this | DET | Number=Plur PronType=Dem | 11 atolls | det |
| 11 | atolls | atoll | NOUN | Number=Plur | 7 walls | nmod |
| 12 | , | , | PUNCT | _ | 18 form | punct |
| 13 | within | within | ADP | _ | 14 which | case |
| 14 | which | which | PRON | PronType=Rel | 18 form | obl |
| 15 | oolites | oolite | NOUN | Number=Plur | 18 form | nsubj |
| 16 | and | and | CCONJ | _ | 17 pellets | cc |
| 17 | pellets | pellet | NOUN | Number=Plur | 15 oolites | conj |
| 18 | form | form | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 form | parataxis |
| 19 | . | . | PUNCT | _ | 3 form | punct |
Pragmatics
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | form | present | Coral reefs | the retaining walls of this atolls | vn appear-48.1.1 «PP.location V NP»: agent=Location wall=Theme | ||||
| 2 | retain in a quote | gerund | tree rules | ||||||
| 3 | form | present | oolites and pellets | vn appear-48.1.1 «NP V»: agent=Theme |
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.
Text: the English Wikipedia, «The Bahamas», revision of the 2026-09-01 dump, CC BY-SA 4.0. Tree: Mova's own parse, CC BY-SA 4.0 as the text is. Frames: Mova's frames reader (prag), the article read in order, CC BY-SA 4.0.
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