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