There are three blocks, A, B and C. Block C is to the left of A and block A is to the left of B. Block A contains a medium blue triangle. Block B contains a big blue triangle. Far from and to the left of the big blue triangle is a small blue triangle. And block C contains a small black square, one big yellow circle and a small blue triangle. This block also has a medium black circle. The small black square is touching the right edge of this block. To the right of the medium black circle and the small blue triangle is the big yellow circle. This shape is touching the right edge of this block. The small black square is near to and below the big yellow circle.
What is to the left of the medium blue triangle? a big blue triangle or a big yellow circle that is touching the right edge of a block?
big blue triangle  big yellow circle  that is touching the right edge of  a block  both of them none of them