There are three blocks. We call them A, B and C. There are one big yellow triangle, one medium yellow square and a small black circle in block A. To the right of a big black circle there is the big yellow triangle. The small black circle is near to the big black circle. The big yellow triangle is touching the right edge of this block. It is near to the medium yellow square which is far from and to the right of the big black circle. Block B is above block A. It contains one big black triangle. To the right of a medium yellow triangle there is the big black triangle. Finally, there is block C. It is to the left of block B. It contains one big blue triangle and a small black square. Below the small black square is the big blue triangle.
What is to the left of the big black triangle? a big blue triangle or a small black circle?
big blue triangle  small black circle  both of them none of them