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