There are two blocks, A and B. Block A is below B. Block A has one medium yellow square and a medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square. Block B contains a medium black square, a medium blue square and a medium yellow square. The medium black square is below the medium blue square and the medium yellow square. The medium blue square is below the medium yellow square.
Which object is below a medium square? the medium blue square that is in block A or the medium blue square which is in block B?
the medium blue square  that is in block A the medium blue square  which is in block B both of them none of them