We have three blocks, A, B and C. Block A has a medium black square. Block B is to the right of block A. It has two medium yellow squares. It also has one medium black square and a medium blue square. Below the medium blue square there is medium yellow square number two. Medium yellow square number one is below the medium black square , the medium blue square and medium yellow square number two. Below medium yellow square number two there is the medium black square. To the right of block B there is block C which has a medium black square.
Which object is to the left of a medium black 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