There are three blocks, A, B and C. Block B is above and C is to the left of A. Block A contains a small yellow triangle. This block also has a big blue square. The big blue square is to the left of the small yellow triangle. Block B has one medium black circle. Block C contains a small blue square and one medium black circle. Above and to the right of the small blue square which is to the left of the medium black circle there is a medium yellow circle. It is to the left of the medium black circle.
What is to the left of the big shape? a medium black circle that is in block B or a medium black circle that is in block C?
medium black circle  that is in block B medium black circle  that is in block C both of them none of them