There are three blocks, A, B and C. Block B is above block C and below block A. Block A contains one medium blue square. Below a medium black square there is the medium blue square. Block B contains one medium black square. Block C contains two medium black squares. Medium black square number one is below medium black square number two.
Which object is above a medium black square? the medium black square that is in block A or the medium black square which is in block B?
the medium black square  that is in block A the medium black square  which is in block B both of them none of them