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