There are three blocks. We call them A, B and C. Block C is to the right of A and block B is below C. Block A has one medium yellow square. Block B has one medium black square and a medium blue square. A medium yellow square is touching the bottom edge of this block. It is below the medium blue square and the medium black square.. The medium black square is below the medium blue square. And block C has one medium black square and one medium blue square. The medium black square is touching the bottom edge of this block. Below the medium blue square is a medium yellow square. The medium black square is below the medium blue square and the medium yellow square.
Which object is below a medium blue square? the medium yellow square that is in block A or the medium yellow square which is in block C?
the medium yellow square  that is in block A the medium yellow square  which is in block C both of them none of them