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

Guessing-game dialogue about one of the objects:
q: imagine to make a 3x3 grid of squares of this image, is my object in the central row of this grid?
a: Yes
q: is it human?
a: No
q: is it a skateboard?
a: No
q: is it made of bricks?
a: No
q: is it in the background?
a: Yes