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

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is the dog?
a: No
q: is a bicycle?
a: No
q: is a bag?
a: No
q: is a vehicle?
a: Yes
q: a bus ??
a: No
q: a car??
a: Yes
q: is the white car on the left side?
a: No
q: is the black car in front of the person in green?
a: No
q: is one of 2 car on the right between 2 truck?
a: No
q: is a the black car behind the red bus which can see 1 stop light on?
a: No