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