Assertion: laughter | /r/ObjectUse | used as signal
Facets:
value: for being part of a group
type: PURPOSE
Source sentences:
text: Laughter is used as a signal for being part of a group—
text: Laughter is used as a signal for being part of a group - it signals acceptance and positive interactions with others.
text: Laughter is used as a signal for being part of a group —