Objects in the image:
category: traffic light
category: car
category: traffic light
category: person
category: traffic light
category: person
category: person
category: person
category: car
category: person
category: person
category: traffic light
category: traffic light
category: traffic light
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person on the sidewalk on the left side of the photo?
a: No
q: is the person on the right side of the photo?
a: No
q: in the center?
a: Yes
q: is it the one in dark clothing standing in front of the big yellow sign?
a: N/A
q: standing on his own?
a: No
q: is the person standing near a small red light?
a: Yes
q: is it the one in white?
a: No
q: is it the one in black?
a: Yes
q: is it the only person wearing black in that area?
a: Yes