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