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

Guessing-game dialogue about one of the objects:
q: is it a living thing?
a: No
q: is it an object wore, carried or equipped by a living thing?
a: No
q: is it brownish in color?
a: No
q: is it blue or dark blue in color?
a: No
q: is it green?
a: No
q: is it a man made structure?
a: No
q: is this object on the right side of the picture?
a: No
q: is it white in color?
a: No
q: is it a shadow?
a: No
q: is it the skateboard?
a: No
q: is it on the left side of picture?
a: No
q: is it a living thing?
a: No
q: is it worn, carried or equipped by a living thing?
a: No
q: is it blue in color?
a: Yes
q: is it the sky?
a: No