There are three blocks. Lets call them A, B and C. Block A has one medium yellow square. This block also has a medium black square. The medium black square is below the medium yellow square. Block B is above block A. It contains one medium black square and a medium blue square. Below the medium blue square is the medium black square. To the left of block A there is block C with a medium blue square in it.
Which object is above a medium black square? the medium blue square that is in block C or the medium blue square that is in block B?
the medium blue square  that is in block C the medium blue square  that is in block B both of them none of them