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