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