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

Guessing-game dialogue about one of the objects:
q: is it red?
a: No
q: is it a sign?
a: No
q: is it  the train?
a: No
q: is it above ground?
a: Yes
q: does it have windows?
a: No
q: is it white?
a: No
q: is it green?
a: No
q: is it the track?
a: No
q: is it above the train?
a: Yes
q: is it the water tower?
a: No
q: is a train?
a: No
q: is a signal?
a: Yes
q: in the right half of image?
a: Yes
q: one of the 8 signals on top?
a: Yes
q: in the top row?
a: No
q: 1st from left in the bottom row?
a: Yes