We have three blocks. Lets call them A, B and C. Block B is to the right of C. Block A is to the right of B. Block A contains one medium black square. Block B contains two medium yellow squares. This block also contains one medium blue square and one medium black square. Below the medium black square is the medium blue square. Medium yellow square number one is below the medium black square. Medium yellow square number two is below the medium black square and the medium blue square. Below the blue object which is below the medium black square is medium yellow square number one. And block C contains two medium black squares. Medium black square number one is below medium black square number two. Below a medium blue square is medium black square number one. Below medium black square number two is the medium blue square.
Which object is to the left of a medium yellow square? the medium black square that is in block A or medium black square number two?
the medium black square  that is in block A medium black square  number two both of them none of them