We have three blocks. Lets call them A, B and C. Block A has a medium blue square. Block B is below block A. It has one medium blue square. This block also has a medium yellow square. Below the medium yellow square there is the medium blue square. Above block A there is block C which contains one medium black square. One medium blue square is also in this block. Below the medium blue square is the medium black square.
Is the medium black square below all medium blue squares?