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

Guessing-game dialogue about one of the objects:
q: is it a bus?
a: Yes
q: blue ??
a: No
q: red ??
a: Yes