There are three blocks. Lets call them A, B and C. Block B is above block C and below block A. Block A contains a medium black square and one medium blue square. One medium yellow square is also in this block. It is below the medium blue square. Below the medium blue square and the medium yellow square there is the medium black square. Block B has one medium black square. Block C has one 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 A?
the medium blue square  that is in block C the medium blue square  that is in block A both of them none of them