There are three blocks, A, B and C. Block A has a big yellow circle. A small black square is touching the bottom edge of this block. It is below, to the right of and near to the big yellow circle. It also contains one medium blue triangle. Below block A is block B with one small blue square, one big yellow circle and a big yellow triangle in it. The small blue square is to the right of a small yellow triangle and the big yellow triangle. The big yellow circle is above, to the right of and near to the small yellow triangle. Above block B there is block C. It has one big yellow triangle. A big yellow circle is also in this block. The big yellow triangle is touching the bottom edge of this block. It is to the right of and far from the big yellow circle.
What is below the black shape? a small yellow triangle or a big yellow circle?
small yellow triangle  big yellow circle  both of them none of them