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