We have three blocks, A, B and C. Block A is to the right of block C and to the left of block B. Block A contains a medium yellow square. This block also has a medium blue square. Below the medium blue square there is the medium yellow square. Block B has a medium yellow square. Below a medium blue square there is the medium yellow square. And block C contains two medium black squares. Medium black square number one is touching the bottom edge of this block. Below a medium blue square there is medium black square number two. Below the medium blue square and medium black square number two there is medium black square number one.
What is to the right of the thing which is touching the bottom edge of a block? a medium blue square which is in block B or a medium blue square that is in block C?
medium blue square  which is in block B medium blue square  that is in block C both of them none of them