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