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

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it skateboard?
a: No
q: is it clothing?
a: No
q: is it on the building?
a: No
q: is it tree?
a: No
q: is it sign?
a: No
q: is it vehicle?
a: No
q: is it concrete?
a: Yes
q: is it the big block?
a: Yes
q: including left side face?
a: Yes