There are three blocks, A, B and C. Block B is to the right of A and block A is below C. Block A contains a medium yellow triangle and one medium yellow square. A medium black circle is to the right of the medium yellow square and the medium yellow triangle. Block B contains one small yellow square. And block C contains one small black circle.
What is to the right of the medium yellow square? a small black circle or a medium yellow triangle?
small black circle  medium yellow triangle  both of them none of them