Objects in the image:
category: traffic light
category: truck
category: fire hydrant
category: car
category: truck
category: person
category: person
category: person
category: truck
category: person
category: traffic light

Guessing-game dialogue about one of the objects:
q: IS IT THE FIRE HYDRANT?
a: No
q: is it car?
a: No
q: person .?
a: No
q: traffic light?
a: Yes
q: on the left side?
a: Yes
q: 1st one with red light?
a: No
q: 2nd one with red light?
a: Yes