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