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