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