There are three blocks. We call them A, B and C. Block B is to the right of block A and below block C. Block A contains one medium yellow square. Block B 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. It is below a medium yellow square.. Below the medium blue square , the medium yellow square and medium black square number two is medium black square number one. And block C has a medium yellow square.
Which object is below a medium yellow square? medium black square number two or the object that is touching the bottom edge of a block?
medium black square  number two the object that is touching the bottom edge of a block  both of them none of them