There are three blocks, A, B and C. Block A is below and C is above B. Block A contains a medium blue square. Block B contains a medium blue square. It also has a medium yellow square. Below the medium blue square there is the medium yellow square. And block C has one medium yellow square, one medium black square and one medium blue square. The medium black square is below the medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square and the medium black square.
Which object is above a medium yellow square? the medium blue square that is in block A or the medium blue square that is in block C?
the medium blue square  that is in block A the medium blue square  that is in block C both of them none of them