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