There are three blocks, A, B and C. Block A is to the left of B. Block C is to the right of A. Block A contains a medium black square. Block B has a medium yellow square. It also has a medium blue square. Below the medium yellow square is the medium blue square. Block C has a medium black square. There is also a medium yellow square in this block. Below the medium black square there is the medium yellow square.
Are all medium black squares above a yellow square that is to the right of a black square that is in block A?