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