Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight, sentence 15

Vent shrimp crowd near the hot water but not too close, eat bacteria that grow on them, and have eye spots on their backs that may sense the dim glow of vents.

Who acts: bacteria, eye spots, vents · What happens: eat, grow, have, sense, glow · To what, where: bacteria, eye spots, backs, dim glow

This is a sentence of the lesson «Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight» of the biology 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 (bacteria, eye spots, vents), what happens, when and where, as Mova's frames read it from the tree.

The tree

Pragmatics

form

statement

act

assert

voice

narrator

polarity

none

teacher

kept the draft

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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/15/