There are three blocks, A, B and C. Block A contains a big yellow circle. Block B is to the left of block A. It contains one small blue square, a medium yellow triangle and a small yellow triangle. There is also a medium blue triangle touching the right edge of this block. This block also has one medium yellow square. It is to the right of and below the small yellow triangle. The small blue square is above the square which is to the right of the small yellow triangle. The medium blue triangle is below the small yellow triangle. Below the small yellow triangle there is the medium yellow triangle. Finally, there is block C. It is below block B. It has a medium yellow triangle.
What is to the left of the yellow circle? a medium yellow triangle or a thing that is touching the right edge of a block?
medium yellow triangle  thing that is touching the right edge of  a block  both of them none of them