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