We have three blocks, A, B and C. Block A is to the right of C and block B is below A. Block A has one big blue circle. Block B has a medium black triangle. And block C has a small blue triangle, a big yellow square and one medium blue square. To the right of the big yellow square there is the small blue triangle. A small yellow square is touching the right edge of this block. A big black triangle is touching the bottom edge of this block. The small blue triangle is below the small yellow square. To the left of the big black triangle and the medium blue square is the big yellow square.
What is below the circle? a medium blue square or a medium black triangle?
medium blue square  medium black triangle  both of them none of them