There are three blocks, A, B and C. One medium blue square is in block A. A medium black square is touching the bottom edge of this block. It is below the medium blue square. Above block A is block B with a medium blue square and one medium yellow square in it. Below the medium yellow square there is the medium blue square. Finally, we have block C which is above block A. It has one medium yellow square.
Which object is below a medium yellow square? the medium blue square that is in block B or the medium blue square that is in block A?
the medium blue square  that is in block B the medium blue square  that is in block A both of them none of them