Objects in the image:
category: person
category: car
category: bus
category: car

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it bus?
a: No
q: is it in left?
a: Yes
q: is it in front?
a: N/A
q: is back to bus?
a: Yes
q: i it light?
a: No
q: is it signal?
a: No
q: is near the yellow board?
a: Yes
q: is it white one?
a: No
q: is it red one?
a: Yes
q: is it 1st red from front?
a: Yes