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

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: bus ??
a: No
q: bicycle ??
a: Yes
q: the only one that the older person in front is riding?
a: Yes