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