Assertion: smooth peanut butter | /r/CapableOf | keep the oil
Facets:
Source sentences:
text: In 1922, chemist Joseph Rosefield invented a process for making smooth peanut butter that kept the oil from separating by using partially hydrogenated oil"; Rosefield "...licensed his invention to the company that created Peter Pan peanut butter" in 1928 and in "...1932
text: In 1922, chemist Joseph Rosefield invented a process for making smooth peanut butter that kept the oil from separating by using partially hydrogenated oil.