There are three blocks. We call them A, B and C. Two medium blue squares are in block A. Medium blue square number one is below a medium black square and medium blue square number two. Medium blue square number two is below the medium black square. Below block A there is block B with one medium yellow square in it. Above block B there is block C with one medium black square in it.
Which object is above a yellow object? medium blue square number two or medium blue square number one?
medium blue square  number two medium blue square  number one both of them none of them