We have three blocks. We call them A, B and C. Block A is to the right of B and block B is above C. Block A has two medium yellow squares. Below medium yellow square number two is medium yellow square number one. Block B contains a medium black square. Block C has one medium blue square and a medium yellow square. The medium blue square is below the medium yellow square.
What is to the right of the black object? a medium yellow square or a medium blue square?
medium yellow square  medium blue square  both of them none of them