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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it the skateboard?
a: No
q: is it a plant?
a: No
q: Is it made of concrete?
a: Yes
q: Is it a large, high wall?
a: No
q: Is there anyone sitting on it?
a: No
q: Is it closest to the skater?
a: Yes