There are two blocks. We call them A and B. Block A is below B. Block A has one medium blue square and a medium yellow square. The medium blue square is below the medium yellow square. Block B contains one medium black square and one medium yellow square. Below the medium black square and the medium yellow square there is a medium blue square. Below the medium yellow square is the medium black square.
Which object is below a black shape? 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