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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it in left?
a: No
q: is it in front?
a: No
q: is white tuck?
a: No
q: is yellow in back?
a: No
q: is red in right?
a: Yes