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

Guessing-game dialogue about one of the objects:
q: is it red?
a: No
q: is it a sign?
a: No
q: is it a person?
a: Yes
q: is it the driver?
a: No
q: is it someone on the bus?
a: Yes
q: is it wearing black?
a: Yes
q: is it a male?
a: Yes
q: is he right behind the driver?
a: Yes