We have three blocks. We call them A, B and C. There are one big blue square, a small black triangle and one big black triangle in block A. The big blue square is below the big black triangle and the small black triangle. Block B is above block A. It contains one medium yellow triangle. To the left of block B there is block C with one small yellow square in it.
What is below the yellow triangle? a small black triangle or a small yellow square?
small black triangle  small yellow square  both of them none of them