There are three blocks, A, B and C. Block B is to the left of C and block C is above A. Block A has one medium black square and a medium blue square. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Block B has a medium blue square. Block C contains one medium blue square. A medium black square is below the medium blue square.
Which object is below 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