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