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