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