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

Guessing-game dialogue about one of the objects:
q: is it A BUS?
a: No
q: is it blue?
a: No
q: is it the tracts?
a: No
q: is it a sign?
a: No
q: is it building?
a: No
q: is it yellow?
a: Yes