There are three blocks. We call them A, B and C. Block C is to the left of A and block A is to the right of B. Block A has two medium yellow squares. Below medium yellow square number two is medium yellow square number one. Block B has two medium blue squares. Below medium blue square number two is medium blue square number one. And block C contains a medium black square and one medium yellow square. The medium black square is touching the bottom edge of this block. It is below the medium yellow square.
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