Q: "Man looking into the camera playing a guitar" Does this mean that "The man is strumming an instrument."?
A: yes

Q: "A man in a white shirt is laughing at what a woman in a pink shirt is saying." Does this mean that "A man is wearing a white shirt."?
A: yes

Q: "A man in white is holding up another person while handing out flyers." Does this mean that "The people are handing out flyers for a concert."?
A: it is not possible to tell

Q: "Fat man in white shirt stops moped and puts left foot on the ground." Does this mean that "Slim bicyclist stops pedaling and puts left foot on the ground."?
A:
no