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