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