Assertion: diphenhydramine | /r/PartOf | a class of drugs
Facets:
value: 1st generation, antiemetic agents
type: OTHER
Source sentences:
text: Diphenhydramine belongs to a class of drugs known as antihistamines.
text: Benadryl belongs to a class of drugs called Antihistamines, 1st Generation, Antiemetic Agents.
text: Diphenhydramine belongs to a class of drugs known as antihistamines.