We have three blocks. We call them A, B and C. Block A is to the right of B. Block C is below A. Block A has one medium yellow square. Block B has one medium black square and one medium yellow square. The medium black square is below the medium yellow square. And block C contains one medium blue square and one medium yellow square. The medium blue square is below the medium yellow square.
Which object is below a medium yellow square? the medium yellow square which is in block B or the medium yellow square which is in block C?
the medium yellow square  which is in block B the medium yellow square  which is in block C both of them none of them