We have two blocks. Lets call them A and B. Block A is to the right of B. Block A has a medium yellow square and one medium blue square. Below the medium blue square is the medium yellow square. Block B contains two medium black squares. A medium blue square is touching the bottom edge of this block. Below medium black square number two and medium black square number one is a medium yellow square. The medium blue square is below medium black square number two , medium black square number one and 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