We have three blocks, A, B and C. Block C is to the left of and A is above B. Block A contains a medium yellow square. Block B has a medium yellow square and one medium black square. The medium yellow square is touching the bottom edge of this block. This object is below the medium black square. Block C contains one medium blue square and one medium yellow square. Below the medium yellow square is the medium blue square.
Which object is above a medium 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