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

Guessing-game dialogue about one of the objects:
q: is a human?
a: No
q: is a vehicle?
a: No
q: is a traffic light?
a: Yes
q: one among the two sets top?
a: Yes
q: from left first set?
a: Yes
q: the three lights a set?
a: Yes