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

Guessing-game dialogue about one of the objects:
q: is it in front?
a: Yes
q: is it in left?
a: N/A
q: is it bus?
a: Yes
q: is it front one with yellow scrolling?
a: Yes