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