There are three blocks, A, B and C. A small blue square is in block A. Then, we have block B with one small black triangle, one medium yellow triangle and a medium blue triangle in it. To the left of, near to and below a big yellow square which is near to the medium blue triangle there is the small black triangle. The medium yellow triangle is to the left of the big yellow square. Finally, below block B we have block C which is to the right of block A. It contains one small yellow triangle.
Which object is to the left of a small yellow triangle? the big yellow square or the small blue square?
the big yellow square  the small blue square  both of them none of them