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.
Which object is below a medium black triangle? the small blue triangle or the small yellow square?
the small blue triangle  the small yellow square  both of them none of them