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