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