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