There are three blocks. Lets call them A, B and C. A medium blue square is in block A. Then, there is block B which contains one medium yellow square and one medium blue square. Below the medium blue square there is the medium yellow square. Above both blocks B and A there is block C with two medium yellow squares in it. Medium yellow square number one is below medium yellow square number two.
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