There are three blocks. Lets call them A, B and C. One medium yellow circle, one big blue triangle and one medium blue square are in block A. Above the big blue triangle there is the medium yellow circle. The big blue triangle is touching the bottom edge of this block. The medium blue square is touching the right edge of this block. This block also has a big yellow square. The medium blue square is below the big yellow square. The big blue triangle is to the left of, far from and below the big yellow square. Block B is below block A. It contains one small blue circle. To the right of block A there is block C. It contains a medium blue triangle, a big yellow square and a small blue triangle. To the right of the small blue triangle there is the big yellow square. This block also has a medium blue circle. Below the yellow shape which is to the right of the small blue triangle is the medium blue triangle. It is to the right of the medium blue circle. This object is below and to the right of the small blue triangle.
What is to the left of the medium blue triangle? a shape that is touching the right edge of a block or a medium yellow circle?
shape that is touching the right edge of  a block  medium yellow circle  both of them none of them