There are three blocks, A, B and C. Block B is to the left of block A and above block C. Block A contains one small black circle. Block B has two small yellow triangles. Small yellow triangle number one is above and to the right of small yellow triangle number two. Block C has a big black square. There is also a small yellow triangle in this block. The small yellow triangle is below the big black square. The big black square is touching the right edge of this block.
What is above the black square? a small yellow triangle number one or a small yellow triangle number two?
small yellow triangle  number one small yellow triangle  number two both of them none of them