There are two blocks, A and B. There are one small black triangle and a medium yellow triangle in block A. Near to and below the medium yellow triangle there is the small black triangle. Block B is below block A. It contains one medium yellow triangle, one medium blue square and one big black circle. The medium yellow triangle is near to and below the medium blue square which is to the right of and above the big black circle.
What is above the black circle? a small triangle or a medium blue square?
small triangle  medium blue square  both of them none of them