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