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

Guessing-game dialogue about one of the objects:
q: Is it green?
a: No
q: Is it a sign?
a: No
q: Is it a person?
a: Yes
q: Is it a male?
a: N/A
q: Does the person wear black?
a: Yes