There are three blocks, A, B and C. Block A contains one medium yellow square. Below block A is block B. It has two medium blue triangles. One big yellow circle is also touching the bottom edge of this block. A medium blue square is to the left of and below medium blue triangle number two. Medium blue triangle number one is above and to the left of medium blue triangle number two. The big yellow circle is near to, below and to the left of medium blue triangle number two. Medium blue triangle number two is touching the right edge of this block. To the left of block A there is block C. It contains one medium blue circle.
What is to the left of the thing that is touching the right edge of a block? a medium yellow square or a medium blue triangle?
medium yellow square  medium blue triangle  both of them none of them