We have three blocks. We call them A, B and C. Block B is below A and block A is above C. Block A has a medium blue square and a medium black square. This block also has a medium yellow square. Below the medium black square there is the medium blue square. It is below the medium yellow square. The medium black square is below the medium yellow square. Block B has one medium blue square. Block C has two medium blue squares. Below medium blue square number two there is medium blue square number one.
What is below the black shape? a medium blue square number two or a medium blue square which is in block B?
medium blue square  number two medium blue square  which is in block B both of them none of them