Is the premise "Man sitting by blue doors." true if "A man is waiting for his wife to finish shopping."?
it is not possible to tell
Is the premise "Three children playing in a snowstorm, while a fourth child jumps from a small hill." true if "no one is outside"?
no
Is the premise "A policeman uses his K9 unit to search an automobile." true if "A policeman uses his K9 to do a search."?
yes
Is the premise "A artist is at work making a sculpture." true if "A artist is not at work"?
no