There are three blocks, A, B and C. Block C is to the right of block B and it is above block A. Block A contains two medium yellow squares. Below medium yellow square number two is medium yellow square number one. Block B contains one medium blue square. And block C has a medium blue square. This block also has a medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium black square.
What is below the thing that is touching the bottom edge of a block? a medium yellow square or a black object?
medium yellow square  black object both of them none of them