We have two blocks, A and B. Block A is to the right of B. Block A contains a medium blue square. This block also contains one medium yellow square. Below the medium blue square is the medium yellow square. Block B contains two medium black squares. Below medium black square number two , a medium yellow square and a medium blue square there is medium black square number one. Medium black square number two is below the medium blue square. The medium blue square is below the medium yellow square.
Which object is to the left of a medium yellow square? medium black square number one or medium black square number two?
medium black square  number one medium black square  number two both of them none of them