We have two blocks, A and B. Block A is below B. Block A contains one big blue circle. Block B contains a small yellow square, a small yellow triangle and a small blue triangle. The small yellow triangle is to the right of and above the small blue triangle. This block also has a medium black triangle. The small yellow square is below the small object which is to the right of the small blue triangle. This shape is below and to the left of the small blue triangle.
Which object is above a blue circle? the medium black triangle or the small blue triangle?
the medium black triangle  the small blue triangle  both of them none of them