premise: Amateur chef wearing a white cooking apron is about to chop a chicken with a butcher knife. hypothesis: The new cook, donned in a clean white apron, has a large knife in his hand that a butcher might use ready to cut up a chicken.
entailment: An amateur chef is a chef. Wearing something is being donned with it. Being about to chop something requires the knife to be in hand. A knife that a butcher might use is a butchers knife.