Objects in the image:
category: car
category: train
category: person
category: truck
category: person
category: person
category: person
category: truck
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it a bridge?
a: No
q: is it the fence?
a: No
q: is it a person?
a: Yes
q: is it the first person on the train?
a: No
q: is it a male?
a: No
q: is she on the train?
a: Yes
q: is she behind a person in blue and in front of a person in red?
a: Yes