There are three blocks, A, B and C. Block B is to the right of C and block C is to the right of A. Block A contains a medium black triangle. Block B contains two big yellow triangles. Big yellow triangle number one is below big yellow triangle number two. Block C has a medium black square, a small blue square and one small yellow square. To the right of the small blue square is the medium black square. The small blue square is to the left of and below the small yellow square. The small yellow square is touching the right edge of this block.
What is to the right of the medium black triangle? a big yellow triangle or a small blue square?
big yellow triangle  small blue square  both of them none of them