There are two blocks. Lets call them A and B. Block A is below B. Block A has one medium blue square. A medium yellow square is below the medium blue square. Block B contains a medium blue square. This block also has a medium yellow square. This object is below the medium blue square. Below the medium yellow square and the medium blue square is a medium black square.
Which object is above a medium yellow square? the medium blue square that is in block B or the medium blue square that is in block A?
the medium blue square  that is in block B the medium blue square  that is in block A both of them none of them