There are three blocks, A, B and C. Block A contains a medium black square. Block B is below block A. It contains two medium blue squares. Below medium blue square number two is medium blue square number one. To the right of block B there is block C which has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. This object is below medium yellow square number two.
Which object is to the left of 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