Objects in the image:
category: person
category: car
category: person
category: skateboard
category: truck
category: fire hydrant
category: bus
category: skateboard

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he wears any red?
a: No
q: is he skating?
a: No
q: is the person in the bus?
a: Yes