There are three blocks. Lets call them A, B and C. Block C is to the left of block B and above block A. Block A contains a medium blue square and one medium yellow square. The medium blue square is below the medium yellow square. Block B contains one medium black square. The medium black square is below a medium blue square. And block C contains a medium blue square.
Which object is below a medium blue square? the medium blue square that is in block A or the medium blue square that is in block B?
the medium blue square  that is in block A the medium blue square  that is in block B both of them none of them