There are three blocks. Lets call them A, B and C. Block B is below A. Block A is above C. Block A contains a big yellow circle. Block B has a big black square, one medium yellow square and one big yellow triangle. A big yellow square is to the left of a small black triangle. Above the big yellow triangle is the medium yellow square.. The big black square is touching the bottom edge of this block. This object is to the left of the big yellow triangle and the small black triangle. Block C contains a small blue triangle.
What is above the big yellow triangle? a big yellow square or a circle?
big yellow square  circle  both of them none of them