Assertion: female bat | /r/CapableOf | use a variety of strategies
Facets:
value: to control the birth of young
type: PURPOSE
value: to control the timing of pregnancy
type: PURPOSE
Source sentences:
text: Female bats use a variety of strategies to control the timing of pregnancy and the birth of young, to make delivery coincide with maximum food ability and other ecological factors.
text: They use a variety of strategies to do so to make their delivery period match with a time when there is a maximum availability of food.