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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the person on the water?
a: No
q: is it one of the people standing by the water?
a: No
q: is it one of the people up on the bridge?
a: Yes
q: are they on the left hand side?
a: No
q: is it the first person from the right?
a: No
q: is it the next person?
a: No
q: are they wearing blue?
a: No
q: are they wearing pink?
a: Yes