There is one block with a small yellow square, one small black circle and a small blue circle in it. A small blue square is to the left of the small blue circle and a big black triangle. The small yellow square is above a small yellow triangle. Below and to the left of the big black triangle is the small black circle.
Which object is to the left of a black triangle? the small yellow square or the small yellow triangle?
the small yellow square  the small yellow triangle  both of them none of them