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