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