We have three blocks. We call them A, B and C. There is one medium blue square in block A. To the right of block A we have block B. It has a medium black square. Finally, there is block C which is to the left of block A. It contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. Below medium yellow square number two there is a medium black square. It is below the yellow shape which is below medium yellow square number two.
Which object is to the left of a medium black square? medium yellow square number two or medium yellow square number one?
medium yellow square  number two medium yellow square  number one both of them none of them