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