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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it a vehicle?
a: No
q: is it a bicycle?
a: No
q: is it a bag?
a: No
q: is it a signal?
a: Yes
q: is it yellow in colour?
a: No
q: does it contain a white light?
a: No
q: does it contain a orange light?
a: No
q: is it white in colour?
a: No
q: does it contain red yellow and green signal symbols?
a: No
q: is it a sign of man crossing?
a: No
q: Does it contain the letters N or H?
a: No