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