There are three blocks, A, B and C. A medium blue square and one small blue triangle are in block A. The medium blue square is below and near to the small blue triangle. To the left of block A is block B. It contains one big black square. Below block A there is block C. It contains a small blue circle and a small black circle. This block also contains one big blue square. The big blue square is below the small blue circle. The small blue circle is above and to the right of the small black circle.
What is to the left of the triangle? a big black square or a small blue circle?
big black square  small blue circle  both of them none of them