Objects in the image:
category: person
category: person
category: person
category: skateboard
category: backpack
category: backpack
category: bench
category: bottle
category: skateboard

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it a skateboard?
a: No
q: is it a bag?
a: No
q: is it the floor?
a: Yes