We have two blocks. We call them A and B. Block A has one medium yellow square and one medium blue square. Below the medium blue square is the medium yellow square. Below block A there is block B with two medium yellow squares in it. It also contains one medium blue square. It is below medium yellow square number two. Medium yellow square number one is touching the bottom edge of this block. It is below medium yellow square number two and the medium blue square.
Which object is below a medium yellow square? the medium blue square that is in block B or the medium blue square which is in block A?
the medium blue square  that is in block B the medium blue square  which is in block A both of them none of them