There are two blocks. Lets call them A and B. Block A contains one medium black square. It also has a medium yellow square. Below the medium black square is the medium yellow square. Block B is above block A. It has two medium yellow squares. It also contains a medium black square. It also has one medium blue square. It is below the medium black square. Medium yellow square number two is below the medium black square and the medium blue square.. Medium yellow square number one is touching the bottom edge of this block. This object is below medium yellow square number two and the medium blue square.
What is below the blue shape? a medium yellow square that is touching the bottom edge of a block or a medium yellow square number two?
medium yellow square  that is touching the bottom edge of a block  medium yellow square  number two both of them none of them