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

Guessing-game dialogue about one of the objects:
q: is it moving?
a: No
q: is it green?
a: No
q: is it located above ground level?
a: Yes
q: does it provide some instruction to people?
a: Yes
q: is it in the shape of a hand?
a: No
q: does it have three different lights?
a: Yes