There are three blocks. Lets call them A, B and C. Block A is below block B and to the right of block C. Block A has a medium black square. Block B contains three medium blue squares. Below medium blue square number two there is medium blue square number one. Below medium blue square number three is medium blue square number two. Below medium blue square number three there is medium blue square number one. And block C contains one medium yellow square.
What is above the black thing? a medium yellow square or a medium blue square?
medium yellow square  medium blue square  both of them none of them