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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is it girl?
a: N/A
q: is it on the bus stop somewhere behind?
a: No
q: is it one of 2 main girls in front?
a: No
q: is it that person with backpack walking behind?
a: No
q: is it on the bus stop?
a: Yes
q: is it less in green sitting?
a: Yes