Assertion: plant | /r/Desires | light
Facets:
value: to make food
type: PURPOSE
value: carbon dioxide,
type: OTHER
Source sentences:
text: The idea that plants need light is something younger schoolchildren can easily grasp.
text: A plant needs sunlight, carbon dioxide, minerals and water to make food by photosynthesis.
text: Some plants need more sunlight than others, but all need at least a little.