We have three blocks. Lets call them A, B and C. Block A contains a medium black square. Block B is above block A. It contains a medium black square. Above block A there is block C which has three medium black squares. Medium black square number one is below medium black square number three and medium black square number two. Below medium black square number three is medium black square number two.
Which object is above a medium black square? medium black square number two or medium black square number three?
medium black square  number two medium black square  number three both of them none of them