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

Guessing-game dialogue about one of the objects:
q: train ??
a: No
q: person on the train?
a: Yes
q: the first person closer to us wearing red i suppose?
a: No
q: someone before red closer to us?
a: No
q: long black pants after red?
a: No
q: blue pants ??
a: Yes