There are three blocks. We call them A, B and C. Block A has one medium black square and one medium blue square. Below the medium blue square is the medium black square. Block B is above block A. It has a medium yellow square. Finally, there is block C which is to the right of block A. It has one medium black square. There is also a medium blue square in this block. The medium black square is below the medium blue square.
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 A?
the medium blue square  that is in block C the medium blue square  that is in block A both of them none of them