Assertion: peanut butter's oil | /r/CapableOf | prevent the peanut oil
Facets:
Source sentences:
text: In the US, food regulations require that any product labelled "peanut butter" must contain at least 90% peanuts; the remaining <10% usually consists of "...salt, a sweetener, and an emulsifier or hardened vegetable oil which prevents the peanut oil from separating".