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