Assertion: sunscreen's spf | /r/UsedFor | refer to protection
Facets:
value: from the uvb
type: OTHER
value: really
type: DEGREE
value: against uvb rays
type: TRANSITIVE-OBJECT
Source sentences:
text: As we mentioned, SPF really only refers to protection against UVB rays—
text: The SPF of a product only relates to its protection from the UVB or “burning” rays.