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