We have three blocks, A, B and C. Block B is above A and block A is to the right of C. Block A contains a medium yellow circle. Block B has a big black circle and one medium blue triangle. The big black circle is above and near to the medium blue triangle. Block C contains one small blue circle, a big yellow circle and a medium yellow triangle. The small blue circle is below the big yellow circle and the medium yellow triangle. The big yellow circle is near to the medium yellow triangle.
What is to the left of the medium yellow circle? a medium yellow triangle or a black circle?
medium yellow triangle  black circle  both of them none of them