Assertion: gerbil's leg | /r/HasProperty | back
Facets:
value: long
type: TEMPORAL
Source sentences:
text: In comparison to their front legs, gerbils have long back legs.
text: This is when gerbils pound their back legs on the ground.
text: Gerbils thump their back legs to show signs of being ready to mate or to warn other gerbils of danger being present.
text: This is when gerbils pound their back legs on the ground.