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