Assertion: matter | /r/HasProperty | sexual relationship
Facets:
value: in a formal setting like marriage
type: LOCATION
value: without agreement
type: MANNER
value: without the third person's knowledge
type: OTHER
Source sentences:
text: An affair is a sexual relationship, romantic friendship, or passionate attachment between two people where at least one of the two has such a connection with a third person, either in a formal setting like marriage or informally, without the third person's knowledge or agreement.