There are three blocks. Lets call them A, B and C. Block C is above block B and it is below block A. Block A contains one medium blue square. Block B contains a medium black square. And block C contains two medium blue squares. There is also one medium black square in this block. It is below medium blue square number two. Medium blue square number one is touching the bottom edge of this block. It is below the medium black square and medium blue square number two.
Which object is below a medium blue square? the medium black square that is in block C or the medium black square which is in block B?
the medium black square  that is in block C the medium black square  which is in block B both of them none of them