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

Guessing-game dialogue about one of the objects:
q: fire hydrant?
a: No
q: vehicle ??
a: No
q: person ??
a: Yes
q: right side?
a: Yes
q: is this person crossing the road?
a: No
q: is this person in the front of the crowd?
a: No