Objects in the image:
category: traffic light
category: bus
category: truck
category: clock
category: traffic light
category: person
category: person
category: person
category: person
category: person
category: person
category: car
category: person
category: car
category: person
category: person
category: truck
category: person

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