There are two blocks. Lets call them A and B. Block A contains three medium black squares. Below medium black square number two which is below medium black square number three is medium black square number one. It is below medium black square number three. Block B is to the left of block A. It has two medium blue squares. Medium blue square number one is below medium blue square number two.
Which object is to the left of a medium black square? medium blue square number one or medium blue square number two?
medium blue square  number one medium blue square  number two both of them none of them