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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a building?
a: No
q: is it a skateboard?
a: Yes
q: the orange one in the front?
a: No
q: the one in the background on the left?
a: No
q: the one that the guy in the grey sitting down has under his feet?
a: Yes