There are three blocks, A, B and C. Block A is below C and block B is below A. Block A has a small yellow square and a small blue triangle. Above, to the right of and far from the small blue triangle is the small yellow square. This block also has a big yellow triangle. Block B has one medium black square. And block C has a medium black triangle.
What is above the medium black square? a medium black triangle or a small blue thing?
medium black triangle  small blue thing both of them none of them