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