Objects in the image:
category: car
category: truck
category: bus
category: bus
category: truck
category: truck
category: person
category: person
category: person
category: person
category: truck
category: truck
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it the white truck on the right?
a: Yes