Objects in the image:
category: person
category: person
category: surfboard
category: surfboard
category: surfboard
category: person
category: surfboard
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a human?
a: Yes
q: the one who is walking?
a: No
q: the one who is left up corner?
a: No
q: right side red t shirt?
a: Yes