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