There are three blocks, A, B and C. There are two medium yellow squares in block A. It also contains a medium blue square. It is below medium yellow square number two. Below medium yellow square number two and the medium blue square there is medium yellow square number one. Block B is above block A. It contains one medium black square. Above block B there is block C which contains one medium blue square.
Which object is below a medium blue square? medium yellow square number one or medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them