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