We have three blocks. We call them A, B and C. Block B is below C. Block C is below A. Block A has one small yellow square. Block B contains a small yellow triangle. It also has one medium blue circle. The medium blue circle is to the left of the small yellow triangle. Block C contains a big blue triangle, one small black square and a small black circle. A small yellow triangle is also in this block. The big blue triangle is below and near to the small black square. The small black square is above the small yellow triangle. To the left of the small yellow triangle there is the small black circle.. The big blue triangle is to the right of and near to the circle which is to the left of the small yellow triangle.
What is below the small yellow square? a big blue shape or a small black circle?
big blue shape small black circle  both of them none of them