We have three blocks, A, B and C. There are a small yellow circle and one medium black triangle in block A. To the left of the medium black triangle there is the small yellow circle. Block B is to the right of block A. It contains one small blue square and a big black triangle. The small blue square is to the left of the big black triangle. The big black triangle is touching the right edge of this block. Finally, we have block C which is below block B. It contains a big blue triangle. One big yellow circle is also touching the bottom edge of this block. The big blue triangle is to the right of the big yellow circle.
What is to the left of the small blue object? a big blue triangle or a medium black triangle?
big blue triangle  medium black triangle  both of them none of them