There are three blocks, A, B and C. A medium black square and one medium yellow square are in block A. Below the medium yellow square is the medium black square. Block B is below block A. It contains two medium yellow squares. Below medium yellow square number two , a medium blue square and a medium black square there is medium yellow square number one. Medium yellow square number two is below the medium black square and the medium blue square. Finally, we have block C which is above block A. It has a medium black square.
What is above the blue shape? a medium yellow square which is in block A or a medium yellow square number one?
medium yellow square  which is in block A medium yellow square  number one both of them none of them