There are three blocks, A, B and C. Block A contains a medium blue square. Block B is below block A. It contains two medium yellow squares. Below a medium black square and medium yellow square number two is medium yellow square number one. Medium yellow square number two is below the medium black square. To the left of block A there is block C. It has a medium black square.
What is below the blue object? a medium black square that is in block C or a medium black square that is in block B?
medium black square  that is in block C medium black square  that is in block B both of them none of them