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