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