There are three blocks. We call them A, B and C. Block A is above C and block C is below B. Block A has one medium black circle. Block B has a small blue square. Block C has a small black triangle, one medium blue triangle and one big yellow triangle. The small black triangle is above and to the left of the medium blue triangle. The medium blue triangle is touching the right edge of this block. The big yellow triangle is touching the right edge of this block. To the left of the big yellow triangle is the small black triangle.
Which object is below a medium black object? the square or the medium blue triangle?
the square  the medium blue triangle  both of them none of them