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