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