There are three blocks. We call them A, B and C. Block C is to the left of block B and it is below block A. Block A contains one medium blue square. Below a medium black square is the medium blue square. Block B contains one medium black square. Block C has a medium yellow square. There is also a medium blue square touching the bottom edge of this block. The medium blue square is below the medium yellow square.
Are all medium blue squares below a medium black square?