There are three blocks. Lets call them A, B and C. Block A is above blocks B and C. Block A contains one medium black triangle. Block B contains one medium blue triangle and one medium blue circle. Below and to the right of the medium blue circle which is to the left of and above a medium yellow triangle is the medium blue triangle. And block C contains a medium blue square, one medium yellow circle and a small black circle. There is also a big yellow circle touching the right edge of this block. The medium blue square is below the medium yellow circle. The medium yellow circle is above the small black circle.. The big yellow circle is to the right of the medium blue square and the medium yellow circle.
What is below the medium black triangle? a medium yellow triangle or a medium blue triangle?
medium yellow triangle  medium blue triangle  both of them none of them