Assertion: anthracite | /r/HasAspect | unlimited shelf life
Facets:
value: given the fact
type: CAUSE
Source sentences:
text: In the first place, as the salesman pointed out, no electric power is required for an anthracite burner, and secondly, wetness has zero effect on its flammability, unlike pellets, anthracite has an unlimited shelf life, given the fact that it already is millions of years old.