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

Guessing-game dialogue about one of the objects:
q: is it made of rock?
a: No
q: is it a person?
a: Yes
q: is it to the right of the picture?
a: Yes
q: are they in the water?
a: Yes
q: is it on the bridge?
a: No
q: can you see the whole body?
a: Yes
q: is he on a wave?
a: Yes
q: is he on the white part of the higher wave?
a: No
q: is he on the blue part of the high wave?
a: Yes
q: is he on the blue part of the high wave?
a: Yes
q: is he on the white part of the high wave?
a: No
q: is it a person?
a: Yes