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