We have three blocks. Lets call them A, B and C. Block C is below block A and above block B. Block A has one medium blue square and a medium yellow square. The medium blue square is below the medium yellow square. Block B has one medium black square and a medium blue square. The medium black square is below the medium blue square. Block C has two medium black squares. Medium black square number one is below medium black square number two.
Which object is below a medium black square? the medium blue square which is in block A or the medium blue square that is in block B?
the medium blue square  which is in block A the medium blue square  that is in block B both of them none of them