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

Guessing-game dialogue about one of the objects:
q: IS IT PERSON?
a: No
q: is it vehicle?
a: Yes
q: black one on the right?
a: No
q: yellow one on the left?
a: Yes
q: complete bus .?
a: Yes