We have three blocks, A, B and C. Blocks C and A are above B. Block A has two medium yellow squares. Medium yellow square number one is below medium yellow square number two. Block B has one medium blue square and one medium yellow square. This block also contains one medium black square. Below the medium black square is the medium blue square. Below the medium black square is the medium yellow square. The medium blue square is touching the bottom edge of this block. This object is below the yellow object which is below the medium black square. Block C contains a medium yellow square and one medium blue square. Below the medium blue square there is the medium yellow square.
Which object is above a medium square? medium yellow square number two or the medium yellow square that is in block B?
medium yellow square  number two the medium yellow square  that is in block B both of them none of them