We have three blocks, A, B and C. Block B is to the left of C. Block C is to the right of A. Block A contains one medium blue square. Block B contains a medium yellow square and a medium blue square. Below the medium blue square is the medium yellow square. Block C contains one medium blue square. Below the medium blue square is a medium black square.
What is to the left of the black thing? a medium blue square that is in block B or a medium blue square that is in block C?
medium blue square  that is in block B medium blue square  that is in block C both of them none of them