Assertion: laughter | /r/HasProperty | derived
Facets:
value: from the so-called rom
type: LOCATION
value: from , display
type: OTHER
value: from the monkey play invitation signal
type: OTHER
value: from relaxed open-mouth
type: OTHER
Source sentences:
text: Laughter is actually derived from the monkey play invitation signal, the so-called ROM, or Relaxed Open-Mouth, display,” he says.