There are two blocks, A and B. There are a medium yellow triangle and a big blue circle in block A. Above the big blue circle there is the medium yellow triangle. Block B is to the left of block A. It has a big yellow circle, one big yellow triangle and one medium blue triangle. The big yellow triangle is below the medium blue triangle and a medium black circle. The medium blue triangle is to the right of and below a small blue square.
What is to the left of the medium yellow triangle? a big yellow triangle or a medium blue triangle?
big yellow triangle  medium blue triangle  both of them none of them