We have three blocks, A, B and C. Block C is to the right of and B is above A. Block A has two medium blue squares. Below medium blue square number two there is medium blue square number one. Block B contains a medium blue square and one medium black square. The medium blue square is below the medium black square. Block C contains two medium black squares. Medium black square number one is below a medium yellow square and medium black square number two. Medium black square number two is below the medium yellow square.
Which object is above a medium blue square? medium black square number one or the medium black square which is in block B?
medium black square  number one the medium black square  which is in block B both of them none of them