We have three blocks, A, B and C. There are a small black square and one medium black triangle in block A. The small black square is below the medium black triangle. The medium black triangle is touching the right edge of this block. Then, we have block B which contains one small yellow circle. Finally, above block B we have block C. It is to the left of block A. It has a big yellow square. One small black triangle is also in this block. The small black triangle is above and to the left of the big yellow square.
Which object is above a yellow square? the small black triangle or the medium black triangle which is touching the right edge of a block?
the small black triangle  the medium black triangle  which is touching the right edge of  a block  both of them none of them