sexual relations
narrower: premarital sex
narrower: homosexual sex
narrower: heterosexual sex
broader: interpersonal relationships
type: Concept

premarital sex
type: Concept
broader: sexual relations

interpersonal relationships
type: Concept
narrower: sexual relations

heterosexual sex
type: Concept
broader: sexual relations

concepts
type: Collection
type: ConceptGroup
member: sexual relations

homosexual sex
type: Concept
broader: sexual relations