There are three blocks, A, B and C. Block C is to the right of and A is above B. Block A contains one medium blue square. Block B contains one medium blue square. It also contains one medium yellow square. Below the medium blue square there is the medium yellow square. Block C contains one medium blue square and one medium black square. Below the medium black square there is the medium blue square.
What is to the right of the yellow thing? a medium blue square or a medium black square?
medium blue square  medium black square  both of them none of them