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