We have three blocks. Lets call them A, B and C. Block A contains a big blue circle, a medium yellow circle and a big black triangle. This block also has a small yellow triangle and one small yellow square. To the left of and above the small yellow square there is the medium yellow circle. Below, near to and touching the small yellow triangle is the big black triangle. Block B is above block A. It has a big blue triangle. To the right of block A there is block C. It contains one small black square, a small yellow square and one small blue square. One medium black square is also touching the right edge of this block. The small black square is above, to the left of and near to the small blue square. To the right of the small blue square is the small yellow square. It is to the left of and below the medium black square.
What is to the left of the small blue square? a big black triangle or a small black square?
big black triangle  small black square  both of them none of them