Assertion: testosterone | /r/PartOf | a class of hormones
Facets:
Source sentences:
text: Testosterone belongs to a class of hormones known as androgens; in-fact this is the primary androgenic hormone.
text: Testosterone is the male sex hormone and it belongs to a class of hormones called androgens.
text: Testosterone is the primary male sex hormone that belongs to a class of hormones called Androgens.