Premise & hypothesis: Is the premise "A man and a smiling young boy in a float vest are swimming together." true if "A father teaches his son to swim."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A little girl laughing at ducks." true if "a boy pouting"?
A: no

Premise & hypothesis: Is the premise "The girl in a pink top is standing next to a red tricycle looking like she is about to cry." true if "There is no tricycle."?
A: no

Premise & hypothesis: Is the premise "Two men are standing in front of a cash register with several items." true if "Two men are leaving the store with a buggy full of food."?
A:
no