There are three blocks. Lets call them A, B and C. A big blue triangle is in block A. To the left of block A there is block B with one medium black triangle in it. Above block A there is block C which contains a small yellow triangle and a small blue triangle. The small yellow triangle is to the left of and below a small black triangle. This shape is above the small blue triangle.
Which object is above a small blue triangle? the small yellow triangle or the small black triangle?
the small yellow triangle  the small black triangle  both of them none of them