Objects in the image:
category: truck
category: traffic light
category: person
category: traffic light
category: person
category: person
category: car
category: person
category: traffic light
category: traffic light
category: truck
category: traffic light
category: bicycle

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: person on the cycle?
a: No
q: Is it the person standing across the road?
a: No
q: person wearing grey coat and black pant?
a: No
q: person wearing full black?
a: Yes
q: there are 3  people int he picture?
a: Yes