Q: "A large group of people pose in front of a sign at night." Does this mean that "A group of people pose in front of a sign."?
A: yes

Q: "A surfer is riding on a breaking wave." Does this mean that "The surfer is sleeping inside."?
A: no

Q: "Two men are playing a game of chess, one is standing and the other is sitting." Does this mean that "A crowd watches a concert."?
A: no

Q: "The skateboarder is about to jump from a wooden bench." Does this mean that "The skateboarder is trying to jump from a bench to a table and then off again"?
A:
it is not possible to tell