Assertion: female gerbil | /r/HasProperty | pregnant
Facets:
value: for approximately 25 to 30 days
type: TEMPORAL
Source sentences:
text: When female gerbils are pregnant, their pregnancy only lasts between 21 and 26 days.
text: A female gerbil is pregnant for approximately 25 to 30 days, after which she typically gives birth to a litter of about a half-dozen babies -- though first litters are sometimes smaller.