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