Objects in the image:
category: fire hydrant
category: truck
category: car
category: person
category: person
category: truck
category: stop sign
category: car

Guessing-game dialogue about one of the objects:
q: is it in the center of image?
a: Yes
q: is it the stop?
a: No
q: is it red?
a: No
q: is it yellow?
a: Yes
q: is it the hydrant yellow in the center?
a: Yes