There are two blocks. Lets call them A and B. Block A is below B. Block A contains one medium black square. Block B contains two medium blue squares. Below medium blue square number one and medium blue square number two there is a medium black square. Medium blue square number one is below medium blue square number two which is below a medium yellow square. It is below the medium yellow square.
Which object is above a medium black square? medium blue square number two or medium blue square number one?
medium blue square  number two medium blue square  number one both of them none of them