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

Guessing-game dialogue about one of the objects:
q: is it a surfboard?
a: Yes
q: is it yellow?
a: No
q: is it red?
a: No
q: is it in the center?
a: No
q: is it green?
a: Yes