Objects in the image:
category: backpack
category: person
category: handbag
category: skateboard
category: skateboard
category: person
category: bicycle
category: skateboard
category: bicycle
category: person
category: train
category: bicycle

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a camera?
a: No
q: Is it a skateboard?
a: No
q: Is it made of concrete?
a: No
q: Is it something a person is wearing?
a: No
q: Is it sitting on the bench?
a: No
q: Is it a bike?
a: Yes
q: Is it the one closest to the right side of the picture?
a: Yes