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