There are one medium yellow square, one small yellow triangle and a medium yellow triangle in a block. The small yellow triangle is below a big black triangle. This block also has a small black square. The medium yellow square is below and to the left of the small black square. The medium yellow triangle is touching the right edge of this block. It is below and to the right of the big black triangle.
Which object is to the right of a black triangle? the small yellow triangle or the medium yellow square?
the small yellow triangle  the medium yellow square  both of them none of them