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