We have three blocks. Lets call them A, B and C. Block A is to the right of block B and it is below block C. Block A contains a big blue triangle. Block B has two small yellow triangles. Small yellow triangle number one is above and to the left of a small blue circle. Above the small blue circle there is small yellow triangle number two. Block C contains one medium yellow triangle.
What is to the left of the blue triangle? a small yellow triangle or a medium yellow triangle?
small yellow triangle  medium yellow triangle  both of them none of them