There are three blocks, A, B and C. Block A is above block B and to the right of block C. Block A contains one medium yellow square. Below the medium yellow square is a medium blue square. Block B contains one medium yellow square and a medium black square. Below the medium black square is the medium yellow square. And block C has one medium yellow square.
What is above the black object? a medium yellow square that is in block A or a medium yellow square that is in block B?
medium yellow square  that is in block A medium yellow square  that is in block B both of them none of them