We have two blocks. We call them A and B. Block A is below B. Block A contains two big black squares. It also contains one medium yellow triangle. It is above and to the left of a big yellow triangle. Big black square number one is below the medium yellow triangle and the big yellow triangle. The big yellow triangle is touching the right edge of this block. Block B contains one small blue triangle. It also contains a medium blue triangle and a small blue circle. Below the medium blue triangle there is a small yellow circle. It is to the left of the small blue triangle. The small blue circle is far from, above and to the left of the small blue triangle.
What is below the medium yellow triangle? a medium blue triangle or a big black square?
medium blue triangle  big black square  both of them none of them