We have three blocks. We call them A, B and C. Block A is to the left of and C is below B. Block A has one medium yellow square and one medium black square. The medium yellow square is below the medium black square. Block B contains one medium black square and one medium blue square. Below the medium blue square is the medium black square. And block C has two medium yellow squares. This block also has a medium blue square. The medium blue square is below medium yellow square number two. It is below medium yellow square number one which is below medium yellow square number two.
Which object is below a medium blue square? the medium black square that is in block B or the medium black square that is in block A?
the medium black square  that is in block B the medium black square  that is in block A both of them none of them