There are three blocks. We call them A, B and C. A small blue triangle and one big yellow circle are in block A. The small blue triangle is touching the right edge of this block. This block also has a small black square. This block also has a small yellow circle. A medium blue circle is to the left of, above and far from the big yellow circle. The big yellow circle is touching the right edge of this block. The small blue triangle is above the big yellow circle and the medium blue circle. Block B is above block A. It contains a big black square and a big blue square. The big black square is above and to the left of the big blue square. Below block A there is block C which has two small blue triangles. Small blue triangle number one is below small blue triangle number two.
What is below the small yellow circle? a big blue square or a small blue triangle?
big blue square  small blue triangle  both of them none of them