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