There are three blocks, A, B and C. Block C is to the right of A. Block B is to the left of C. Block A contains two big blue circles. Big blue circle number one is below a small black circle. Big blue circle number two is touching the right edge of this block. A big blue triangle is also touching the right edge of this block. This object is above and to the right of a medium yellow square. To the left of the medium yellow square there is big blue circle number one. Above the medium yellow square there is the small black circle. Block B has one small black circle. A medium blue square is to the left of the small black circle which is above a big blue triangle. It is above the big blue triangle. And block C contains one medium blue circle and one medium yellow triangle. Near to the medium yellow triangle there is the medium blue circle.
What is to the left of the medium blue circle? a big blue triangle or a medium blue square?
big blue triangle  medium blue square  both of them none of them