Objects in the image:
category: person
category: tie
category: traffic light
category: traffic light
category: person
category: person
category: bus
category: tie

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: N/A
q: Is it the bus?
a: No
q: Is it a stoplight?
a: No
q: Is it on the bus?
a: No
q: Is it behind the bus?
a: N/A
q: Is it a person?
a: No
q: Is it on a person?
a: Yes
q: Is it a briefcase?
a: No
q: Is it a jacket?
a: No
q: Is it a tie?
a: Yes
q: Is it on the guy walking behind the bus?
a: Yes