We have two blocks. Lets call them A and B. There is a medium black square in block A. Block B is to the right of block A. It has two medium blue squares. Medium blue square number one is touching the bottom edge of this block. Below a medium black square and a medium yellow square there is medium blue square number two. Medium blue square number one is below the medium yellow square , medium blue square number two and the medium black square.
What is above the thing which is touching the bottom edge of a block? a medium blue square or a medium yellow square?
medium blue square  medium yellow square  both of them none of them