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