We have three blocks, A, B and C. Block A contains one medium blue square. There is also a medium yellow square in this block. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square. To the right of block A is block B with two medium blue squares in it. Medium blue square number one is below a medium black square and medium blue square number two. Medium blue square number two is below the medium black square. To the right of block B there is block C. It contains one medium yellow square. It also contains a medium black square. The medium yellow square is below the medium black square.
Which object is below a medium black 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