Is the premise "A man playing a keyboard and singing into a microphone." true if "A man is playing the guitar."?
no
Is the premise "Two men, one in a blue uniform and one in a red uniform, are boxing." true if "People are playing sports."?
yes
Is the premise "A man proposes a toast while the table is full of food." true if "A man having a piece of chicken."?
no
Is the premise "old couple walking through a field." true if "The people are wearing dress clothes."?
it is not possible to tell