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 a person?
a: No
q: is it a shadow?
a: No
q: is it a bag?
a: No
q: is it a skateboard?
a: No
q: is it a bottle?
a: Yes
q: is it green in colour?
a: Yes
q: is it on the bench?
a: Yes