Assertion: noun | /r/CapableOf | happen in language
Facets:
Source sentences:
text: The possibilities seem to be that 800 is an adverb modifying A.D. (this does not seem likely to me), that 800 is an adjective because it modifies A.D. (a noun that has become an adjective?), or that it is a noun modifying another noun (which happens in some languages, but not English, right?).