Is the premise "a muzzled greyhound dog is running around a track" true if "The dog is racing in it's last race, after a long career as a track dog."?
it is not possible to tell
Is the premise "The two man are fixing something." true if "Two men are fixing something."?
yes
Is the premise "A man and a woman posing in front of a christmas tree." true if "A couple are swimming."?
no
Is the premise "A large group of people crosscountry skiing in the snow." true if "Snowboarders in a group on the snow."?
no