Assertion: fellatio's penis | /r/CapableOf | enter the vagina
Facets:
Source sentences:
text: The duration of copulation was defined as when the penis entered the vagina until when it withdrew completely.
text: Everyday objects such as mirrors and serving vessels might be decorated with erotic scenes; on Arretine ware, these range from "elegant amorous dalliance" to explicit views of the penis entering the vagina.