Objects in the image:
category: stop sign
category: person
category: person
category: bus
category: person
category: person
category: potted plant

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: bus ??
a: No
q: on the street?
a: Yes
q: green plant on it?
a: Yes
q: the vase only?
a: No