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

Guessing-game dialogue about one of the objects:
q: it is an airplane?
a: No
q: it is a truck?
a: No
q: a bus?
a: No