There are three blocks. Lets call them A, B and C. Block A is below B and block B is below C. Block A has one medium yellow square. A medium blue square is below the medium yellow square. Block B contains one medium blue square. Block C contains one medium blue square. The medium blue square is below a medium black square.
What is below the black object? a medium blue square or a yellow shape?
medium blue square  yellow shape both of them none of them