There are three blocks. Lets call them A, B and C. Block A is to the left of B. Block C is to the left of A. Block A contains a small yellow square. Block B contains one medium yellow square. Block C contains one big yellow circle. It also contains a medium yellow triangle and one small yellow triangle. To the left of and near to the big yellow circle is the medium yellow triangle. It is above the small yellow triangle.
What is to the left of the medium yellow square? a medium yellow triangle or a big yellow circle?
medium yellow triangle  big yellow circle  both of them none of them