There are three blocks. We call them A, B and C. Blocks B and A are below C. Block A has a medium yellow square. A medium black square is touching the bottom edge of this block. This shape is below the medium yellow square. Block B has a medium yellow square. And block C contains one medium blue square and one medium black square. The medium blue square is below the medium black square.
Is the medium black square which is below a medium square that is in block A touching a square that is below a medium square which is in block C?