There are three blocks. We call them A, B and C. Block A contains one medium yellow square. Below the medium yellow square there is a medium blue square. Below block A we have block B. It contains a medium black square. Finally, there is block C to the right of block A. It contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two.
What is below the blue thing? a medium yellow square which is in block A or a medium yellow square number one?
medium yellow square  which is in block A medium yellow square  number one both of them none of them