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