Assertion: gerbil's scent gland | /r/HasProperty | oval-shaped hairless patch
Facets:
value: on the midriff
type: LOCATION
Source sentences:
text: The gerbil’s scent gland is an oval-shaped hairless patch on the midriff; your pet gerbil will rub this against furniture in his cage, making it clear to other gerbils that his cage and all its contents belong to him exclusively.