Objects in the image:
category: truck
category: truck
category: truck
category: car
category: skateboard
category: person
category: car
category: skateboard
category: person

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it skateboard?
a: No
q: is it truck?
a: No
q: vehicle ??
a: Yes
q: trailer thing?
a: No
q: yellow van?
a: Yes