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

Guessing-game dialogue about one of the objects:
q: is this human?
a: No
q: is this bus?
a: No
q: is that car?
a: Yes
q: black color?
a: Yes