There are three blocks, A, B and C. Block C is above A and block A is to the left of B. Block A contains one small blue square. The small blue square is to the left of and above a medium yellow triangle. Block B has one medium black square. Block C has one big yellow square. One small black circle is also in this block. The small black circle is above the big yellow square.
What is to the right of the triangle? a medium black square or a big yellow square?
medium black square  big yellow square  both of them none of them