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