Is the premise "The sky appears clear." true if "It is cloudy and foggy outside."?
no
Is the premise "Swimmers by a nearby wave along with one surfer on the wave." true if "swimmers and surfers battle for room in the water"?
it is not possible to tell
Is the premise "Dog running and jumping high bars." true if "The dog is jumping high."?
yes
Is the premise "Two young males siting outdoors in front of riot police." true if "there was both men and women outside"?
it is not possible to tell