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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a light sign?
a: No
q: is it blue?
a: No
q: is it a sign?
a: No
q: is it green?
a: No