There are three blocks. Lets call them A, B and C. Block B is below A. Block C is below B. Block A contains one medium black square and a medium blue square. The medium black square is below the medium blue square. Block B has one medium yellow square. Below the medium yellow square is a medium blue square. And block C contains one medium blue square and a medium yellow square. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square.
Which object is below a medium blue square? the medium yellow square that is in block B or the medium yellow square that is in block C?
the medium yellow square  that is in block B the medium yellow square  that is in block C both of them none of them