Assertion: coral's algae | /r/CapableOf | produce oxygen
Facets:
value: in return
type: PURPOSE
Source sentences:
text: The corals benefit, in turn, as the algae produce oxygen, remove wastes, and supply the organic products of photosynthesis that corals need to grow, thrive, and build up the reef.
text: The algae produce oxygen and help the coral to get rid of wastes in return.
text: In return, the algae produce oxygen and help the coral to remove wastes.