We have three blocks, A, B and C. A big blue triangle is in block A. Above and near to the big blue triangle is a small blue triangle. Below block A is block B. It has a small blue square. To the right of the small blue square is a medium black triangle. To the left of a big black square there is the small blue square. The big black square is touching the bottom edge of this block.. Above the big black square is the medium black triangle. To the left of block A there is block C which has two medium yellow triangles. This block also has one big blue triangle. Medium yellow triangle number one is to the left of medium yellow triangle number two and the big blue triangle.
What is to the left of the small blue triangle? a medium yellow triangle or a medium black triangle?
medium yellow triangle  medium black triangle  both of them none of them