Objects in the image:
category: person
category: car
category: truck
category: car
category: sports ball
category: bicycle
category: person
category: skateboard
category: person
category: truck
category: car
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: skateboard ??
a: No
q: car ??
a: No
q: is it red?
a: Yes
q: the ball?
a: Yes