Assertion: gerbil | /r/HasProperty | startled
Facets:
Source sentences:
text: Often, if one gerbil is startled and begins thumping (described as a quick "da-dum, da-dum" sound), others in the enclosure or room will also begin thumping.
text: Often when one gerbil is startled and begins thumping, others will also begin thumping.