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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a building?
a: N/A
q: is it something that is on or part of a building?
a: Yes
q: is it on the clock tower?
a: Yes
q: is it the face of the clock in front?
a: Yes