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