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

Guessing-game dialogue about one of the objects:
q: is it on rails?
a: No
q: is it a building?
a: No
q: is it orange?
a: No
q: is it on wheels?
a: No
q: is it a pole?
a: No
q: is it white?
a: No
q: is it a person?
a: No
q: is it green?
a: No
q: is it glass?
a: No
q: is it red?
a: Yes