Objects in the image:
category: truck
category: skateboard
category: stop sign
category: person

Guessing-game dialogue about one of the objects:
q: is it the person?
a: No
q: is it the green sign?
a: No
q: is it the stop sign?
a: No
q: is it a building?
a: No
q: is it the skateboard?
a: Yes