There are three blocks. We call them A, B and C. There are one small yellow circle and a small blue triangle in block A. The small yellow circle is below a big black square. Below and to the left of the big black square there is the small blue triangle. Then, there is block B. It has a big yellow circle and one small blue square. To the right of and below the small blue square is the big yellow circle. Finally, above block A we have block C. It is above block B. It has a small black circle.
What is below the small black circle? a small yellow circle or a small blue triangle?
small yellow circle  small blue triangle  both of them none of them