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