There are three blocks, A, B and C. Block A has a medium black square. Above block A we have block B. It contains a medium blue square and a medium black square. Below the medium black square there is the medium blue square. Finally, there is block C below block A. It contains a medium black square and a medium yellow square. The medium black square is touching the bottom edge of this block. It is below the medium yellow square.
Is there any medium black objects that are above a object that is touching the bottom edge of a block below the medium black square that is in block B?
This example is Yes.