We have three blocks, A, B and C. There are two medium yellow squares in block A. Below medium yellow square number two there is medium yellow square number one. To the right of block A is block B which has a medium black square and one medium blue square. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Below block A there is block C which contains two medium blue squares. Below medium blue square number two is medium blue square number one.
Which object is to the left of a medium blue square? medium yellow square number one or medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them