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 small blue square or a medium yellow square which is touching the bottom edge of a block?
small blue square  medium yellow square  which is touching the bottom edge of a block  both of them none of them