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