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