There are three blocks. We call them A, B and C. Block A is to the left of B. Block B is below C. Block A has one medium yellow square. Block B has a medium black square. This block also contains a medium yellow square. Below the medium black square is the medium yellow square. And block C contains two medium yellow squares. Below medium yellow square number two is medium yellow square number one.
What is above the black thing? a medium yellow square number two or a medium yellow square that is in block A?
medium yellow square  number two medium yellow square  that is in block A both of them none of them