There are three blocks, A, B and C. One medium black circle is in block A. Then, we have block B with one medium blue circle, one medium blue triangle and a medium yellow square in it. It also contains a small black square and a small black triangle. The medium blue triangle is touching the bottom edge of this block. To the left of the medium yellow square which is above the small black triangle there is the small black square. The medium blue circle is near to the medium object which is above the small black triangle. This shape is above and to the right of the medium blue triangle. Finally, above block A we have block C. It is to the left of block B. It has a small yellow square.
What is to the left of the medium yellow square? a medium black circle or a small black triangle?
medium black circle  small black triangle  both of them none of them