Assertion: vitamin | /r/HasProperty | needed in small amounts
Facets:
value: to sustain life
type: PURPOSE
Source sentences:
text: A vitamin is a chemical compound that is needed in small amounts for the human body to work correctly.
text: Vitamins are organic compounds that are needed in small quantities to sustain life.
text: A vitamin is a chemical compound that is needed in small amounts for the human body to work correctly.