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