Objects in the image:
category: car
category: train
category: person
category: person
category: person
category: person
category: person
category: traffic light
category: person
category: person
category: stop sign

Guessing-game dialogue about one of the objects:
q: is it the tram?
a: No
q: is it on the sidewalk?
a: No
q: is it a light?
a: No
q: is it the car?
a: No
q: it is a sign?
a: No
q: is it concrete?
a: No