A guy in glasses is biting into a pink marshmallow chick while somebody else is puckering their lips out wanting a bite.
A man eats a hamburger while his friend asks for a bite.
man is either eating marshmallow or hamburger
A man cannot be biting into a pink marshmallow chick while he also eats a hamburger.
A man that bites marshmallow could not have been eating hamburger at the same time.