Objects in the image:
category: traffic light
category: truck
category: traffic light
category: person
category: person
category: bus
category: bus
category: person
category: backpack
category: person
category: person
category: person
category: traffic light
category: truck

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: on the bus  ??
a: No
q: on the left?
a: Yes
q: in red  ??
a: Yes