Objects in the image:
category: person
category: person
category: bus
category: person
category: backpack
category: person
category: person
category: person
category: backpack
category: backpack
category: person
category: handbag
category: person
category: handbag
category: person
category: backpack
category: person
category: handbag
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it the bus?
a: No
q: is it the building?
a: No
q: One of the trees?
a: No
q: Something a human is wearing?
a: N/A
q: Is it human?
a: No
q: Is it the bus?
a: No
q: Is it a tree?
a: No
q: Is it the building?
a: No
q: Something a human is wearing?
a: Yes
q: A hat?
a: No
q: A backpack?
a: Yes
q: Is a man wearing it?
a: Yes
q: A man wearing a hat?
a: No
q: So the man closest to the bus in the blue shirt?
a: Yes