There are three blocks, A, B and C. Block A has two medium yellow squares. A big black circle is also touching the right edge of this block. The big black circle is below a small blue square and a small yellow circle. Block B is above block A. It has one medium black triangle. To the left of the medium black triangle is a medium black circle. Finally, we have block C. It is to the left of block B. It has one small black triangle and one medium yellow circle. To the left of the medium yellow circle is the small black triangle.
Which object is below a medium black triangle? the medium yellow circle or the blue square?
the medium yellow circle  the blue square  both of them none of them