There are three blocks, A, B and C. Block A contains a medium black square and a medium yellow square. Below the medium yellow square is the medium black square. To the left of block A there is block B with one medium blue square in it. Below block A there is block C with one medium yellow square in it. This block also has a medium blue square. Below the medium blue square is the medium yellow square.
Which object is above a medium blue square? the medium yellow square that is in block A or the medium yellow square that is in block C?
the medium yellow square  that is in block A the medium yellow square  that is in block C both of them none of them