Assertion: serotonin | /r/HasProperty | known for its role
Facets:
value: in the brain
type: LOCATION
value: in mood regulation
type: OTHER
value: most commonly
type: DEGREE
value: well
type: DEGREE
Source sentences:
text: Serotonin is a brain neurotransmitter well known for its role in mood regulation, and it's also responsible for breathing and regulation of body temperature.
text: Serotonin is a neurotransmitter that is most commonly known for its role in the brain, where it is believed to be one of the main factors influencing mood.