Assertion: oral sex | /r/CapableOf | become at accelerating rate
Facets:
value: according to research
type: MANNER
Source sentences:
text: According to research published in the Canadian Journal of Human Sexuality in 2006, "during the course of the 20th Century, at an accelerating rate, oral sex became a possible component of 'foreplay,' which was the great sexual discovery of the early decades of the 20th Century.