Assertion: expression | /r/HasProperty | unique
Facets:
value: to each emotion
type: OTHER
Source sentences:
text: Later studies suggested that facial expressions are unique to each emotion and are signals that convey information of one's internal state, and this information is used to coordinate social interactions.
text: There is a vitality, a life force, an energy, a quickening that is translated through you into action, and because there is only one of you in all time, this expression is unique.
text: It consists of the Micro Expression Training Tool (METT), which trains individuals to disambiguate between emotional expressions through recognizing distinct facial expressions that are unique to each emotion.