Is the premise "A bicyclist and a man in a suit are sitting near a fountain talking on cellphones." true if "Two people are outside on their phones."?
yes
Is the premise "Man secures a large block of concrete." true if "A guy is setting the foundation of a house."?
it is not possible to tell
Is the premise "Man reading a book in a barber shop at night." true if "A man is waiting for his turn to get his hair cut."?
it is not possible to tell
Is the premise "Workers in green shirts are waiting on several customers." true if "The business is completely empty."?
no