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