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

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