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

Guessing-game dialogue about one of the objects:
q: is a car?
a: No
q: is a truck?
a: No
q: is a vehicle?
a: No
q: is a person?
a: No
q: is a clock?
a: Yes