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