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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they standing?
a: N/A
q: are they on a surfboard?
a: No
q: are they in the water?
a: Yes
q: is it one of the people standing at the bottom of the picture?
a: No
q: are they standing in the water?
a: Yes
q: are they on the right side?
a: N/A
q: are they in the group of two towards the right of the photo?
a: No
q: is it the single guy closest to the right of the photo?
a: No
q: are they wearing dark clothing?
a: N/A