Objects in the image:
category: umbrella
category: person
category: person
category: umbrella
category: person
category: skateboard

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the one who is skating ..in front?
a: No
q: is it the one who is sitting under umbrella?
a: N/A
q: is it wearing white shirt..near red umbrella?
a: No
q: is it the other one under red umbrella?
a: Yes