Is the premise "a man wearing a black jacket stands, holding an open book in front of a chalkboard and globe." true if "A man stands with a book."?
yes
Is the premise "A crowd of people outside the Olympic arena in Great Britain watching the Olympics on a portable screen." true if "A crowd of people are silently watching the Olympics."?
it is not possible to tell
Is the premise "Young man sitting on a skateboard, holding a cellphone, and posing on the escalator." true if "A young man who loves to skateboard stopped to take a selfie."?
it is not possible to tell
Is the premise "A man in a superhero costume, complete with mask and cape, posing in a public venue with pedestrians around." true if "A man is taking a shower at his house."?
no