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

Guessing-game dialogue about one of the objects:
q: is it train?
a: Yes
q: is it green?
a: No
q: is it blue?
a: No
q: is it big?
a: No
q: is it in background?
a: Yes
q: is it round?
a: No
q: is it white?
a: No
q: is it black?
a: Yes
q: is it light?
a: Yes
q: does it has green on it?
a: No
q: does it has red on it?
a: Yes