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