There are three blocks, A, B and C. Block A contains two medium blue squares. Medium blue square number one is touching the bottom edge of this block. Medium blue square number two is below a medium yellow square. Below medium blue square number two and the medium yellow square is medium blue square number one. To the right of block A there is block B. It contains one medium yellow square. A medium blue square is touching the bottom edge of this block. This object is below the medium yellow square. To the right of block A there is block C with one medium yellow square and one medium black square in it. Below the medium black square there is the medium yellow square.
Which object is below a black object? the medium yellow square that is in block C or the medium yellow square that is in block A?
the medium yellow square  that is in block C the medium yellow square  that is in block A both of them none of them