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

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