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

Guessing-game dialogue about one of the objects:
q: is it vehicle?
a: No
q: is it person?
a: Yes
q: the one in front green jacket?
a: No
q: someone on right?
a: Yes
q: is it facing left or going to left?
a: Yes