There are three blocks, A, B and C. Two medium blue squares are in block A. Below a medium black square there is medium blue square number one. Medium blue square number two is below the medium black square. Medium blue square number one is below the medium blue square number two. Block B is to the right of block A. It contains a medium yellow square. Below block A there is block C which has one 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