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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the stairs?
a: No
q: is it the skateboard?
a: No
q: is it the tree?
a: No
q: is it an item of clothing?
a: No
q: is it the window with the writing on it?
a: No
q: is it the building in the background?
a: No
q: is it on the building in the back ground?
a: No
q: is it the fire escape?
a: No
q: is it the sidewalk?
a: No
q: is it the street?
a: N/A
q: is it the railing?
a: No
q: is it the bricks in the bottom left corner?
a: No
q: is it a sign?
a: No
q: is it the sky?
a: No
q: is it yellow?
a: N/A
q: is it a car?
a: Yes
q: is it a taxi?
a: No
q: there is one visible car, and it's yellow. is that it?
a: Yes