We have three blocks, A, B and C. Block A is below C. Block C is to the right of B. Block A has a big black triangle. Block B contains one medium blue circle. Block C has one small blue square, one big yellow triangle and one small blue circle. A big blue triangle is to the right of the small blue square which is to the left of the big yellow triangle. The big yellow triangle is touching the right edge of this block. This object is above the small blue circle. Below and far from the big yellow triangle there is the big blue triangle.
What is above the black thing? a square or a big blue triangle?
square  big blue triangle  both of them none of them