Assertion: chimpanzee | /r/HasProperty | observed using particular plants
Facets:
value: such as times of the year
type: TEMPORAL
value: at times
type: TEMPORAL
Source sentences:
text: To further support this theory, chimps have been observed using particular plants at times when the medicinal value of the plants would be high, such as times of the year when parasitic infections are common, or after an individual chimp has appeared to be ill.