There are three blocks. Lets call them A, B and C. Block A contains a medium black square. Above block A is block B which contains a medium yellow square and a medium black square. The medium yellow square is below the medium black square. Finally, there is block C to the left of block A. It has one medium blue square and one medium yellow square. Below the medium yellow square is the medium blue 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