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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it green?
a: No
q: is it white?
a: No
q: is it grey?
a: No
q: is it a clothe?
a: No
q: is it on the background?
a: Yes
q: is it red?
a: No
q: is it the sky?
a: No
q: the fence?
a: No
q: a building?
a: No
q: an animal?
a: No
q: is it dark?
a: Yes
q: the roof?
a: No