Objects in the image:
category: car
category: person
category: stop sign
category: car
category: stop sign
category: car
category: bicycle

Guessing-game dialogue about one of the objects:
q: is it vehicle?
a: No
q: is it person?
a: No
q: is it at the left side of picture?
a: No
q: at the right?
a: Yes
q: is it the sign board?
a: Yes
q: the whole thing?
a: No
q: is it the yellow part?
a: No
q: the white one?
a: Yes
q: whole thing is it?
a: Yes