We have three blocks, A, B and C. Block A is to the right of block C and above block B. Block A contains one medium yellow square, one medium black triangle and a small black triangle. Below the medium black triangle and a medium black square is the medium yellow square. The medium black triangle is above and to the left of the medium black square. This object is near to the small black triangle. Block B has one medium black triangle. Block C has one small blue circle.
Which object is above a medium black triangle? the small black triangle or the medium yellow object?
the small black triangle  the medium yellow object both of them none of them