Assertion: anthrax | /r/CapableOf | become over next five albums
Facets:
value: arguably
type: DEGREE
Source sentences:
text: Belladonna helped take the band farther away from conventional metal clichés, and over the next five albums (with the exception of 1988's State of Euphoria, where the band sounded like it was in a creative straitjacket), Anthrax arguably became the leaders of speed metal.