Is the premise "a brown dog chewing at his own tail" true if "An animal is doing something with its mouth."?
yes
Is the premise "Two men wearing eyeglasses eating sandwiches." true if "two men having sandwiches for dinner"?
it is not possible to tell
Is the premise "A girl in glasses is looking over two American flags near a wooded area." true if "A girl at a picnic."?
it is not possible to tell
Is the premise "Two men are standing outside and snow is on the ground." true if "People are near snow."?
yes