There are three blocks, A, B and C. Block A has a medium blue square. A medium black square is touching the bottom edge of this block. It is below the medium blue square. Then, we have block B which has three medium yellow squares. Below medium yellow square number three and medium yellow square number two is medium yellow square number one. Medium yellow square number two is below medium yellow square number three. Finally, we have block C which is to the right of blocks B and A. It has one medium blue square.
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