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