There are three blocks. We call them A, B and C. Block A is to the left of block C and it is to the right of block B. Block A has one medium blue square. Block B has a medium blue square. A medium black square is below the medium blue square. And block C contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two.
What is to the right of the black object? a medium blue square which is in block B or a medium blue square which is in block A?
medium blue square  which is in block B medium blue square  which is in block A both of them none of them