There are three blocks. Lets call them A, B and C. Block A contains a medium blue square. A medium yellow square is touching the bottom edge of this block. This object is below the medium blue square. Above block A we have block B which contains one medium black square. The medium black square is below a medium yellow square. Above block B there is block C. It has two medium blue squares. Below a medium black square is medium blue square number one. Below the medium black square is medium blue square number two. Medium blue square number one is below the medium blue square number two.
Which object is above a medium black square? the medium blue square which is in block A or medium blue square number two?
the medium blue square  which is in block A medium blue square  number two both of them none of them