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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it on the wall?
a: No
q: is it moving?
a: No
q: is it black?
a: Yes
q: is it a bag?
a: Yes