Objects in the image:
category: person
category: car
category: person
category: bicycle
category: bicycle
category: bench
category: person
category: person
category: person
category: bus
category: person
category: person
category: bus

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: driver of bus?
a: No
q: first person getting in?
a: No
q: Is it the second person getting into the bus?
a: No
q: 3rd getting in?
a: No
q: last in line?
a: Yes