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

Guessing-game dialogue about one of the objects:
q: it used for transportation?
a: No
q: it is a building?
a: No
q: it is the sign?
a: No
q: it is a person?
a: Yes
q: in the left?
a: Yes
q: wear black shirt?
a: Yes