Is the premise "A man in a black NFL jersey holds a large pile of PS3 games while a man holds a boom mike over him with a crowd in the background that includes a man in a large dog costume." true if "there is a contest to give away games"?
it is not possible to tell
Is the premise "a group of people peering over the edge of a large rocky mountain" true if "the group is looking down"?
yes
Is the premise "A man is instructing a young boy to use exercising equipment outside, while a man watches nearby." true if "A man is not instructing a young boy"?
no
Is the premise "A woman talking into a microphone." true if "the man played the flute"?
no