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