There are three blocks. We call them A, B and C. Block A has a medium blue triangle. Then, we have block B. It has one medium yellow square. A small blue circle is also in this block. The medium yellow square is touching the bottom edge of this block. It is below and to the left of the small blue circle. Above block B and below block A there is block C which has a big blue triangle, a big black circle and a medium black triangle. The big blue triangle is touching the bottom edge of this block. To the right of the medium black triangle is the big black circle. A small blue triangle is touching the bottom edge of this block. The big blue triangle is far from, below and to the right of the medium black triangle. The big black circle is touching the bottom edge of this block. Below the medium black triangle there is the small blue triangle. It is to the left of the big blue triangle and the big black circle.
Which object is below a small blue triangle? the medium black triangle or the medium blue triangle?
the medium black triangle  the medium blue triangle  both of them none of them