There are three blocks, A, B and C. Block A is to the left of blocks C and B. Block A has a medium blue triangle. Block B contains one small blue square and one medium black square. It also contains a medium black triangle. Below and to the right of the small blue square is the medium black triangle.. To the left of and above the medium black square is the small blue square. Block C contains a small black triangle. To the left of and above the small black triangle there is a small yellow triangle.
What is to the right of the medium blue triangle? a small black triangle or a yellow shape?
small black triangle  yellow shape both of them none of them