Objects in the image:
category: car
category: truck
category: person
category: car
category: truck
category: car
category: truck
category: backpack
category: truck
category: person
category: motorcycle
category: car
category: car

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: Yes
q: is it one of the fire trucks?
a: No
q: is it the motorcycle?
a: No
q: is it the vehicle on the left hand side by the people?
a: No
q: is it the car on the right hand side of the photo by the stretcher?
a: No
q: Is it the black truck on the right hand side?
a: No
q: is it the silver car in front of the black truck?
a: Yes