There are three blocks, A, B and C. There are a small black circle and one small blue circle in block A. Near to and touching the small blue circle there is the small black circle. A big yellow circle is to the left of and near to a small yellow circle. The small blue circle is below the small yellow circle. The small yellow circle is touching the right edge of this block. Block B is to the left of block A. It contains a medium blue triangle. It also has one medium black square. The medium blue triangle is below, to the right of and near to a big blue triangle. To the right of block B there is block C with one medium black circle, a big yellow circle and a big blue triangle in it. Above the big blue triangle there is a big black triangle. It is touching the right edge of this block. This object is below the big yellow circle which is above the big blue triangle. This object is to the right of the medium black circle which is to the left of the big blue triangle.
What is to the left of the big black triangle? a small yellow circle or a big blue triangle?
small yellow circle  big blue triangle  both of them none of them