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