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