There are three blocks, A, B and C. Block B is to the left of C. Block C is above A. Block A has one medium blue square. Block B contains a big black circle and one medium black circle. The big black circle is touching the right edge of this block. This shape is far from the medium black circle. And block C has two small black triangles. Small black triangle number one is above small black triangle number two.
Which object is below a small black triangle? the medium black circle or the medium blue square?
the medium black circle  the medium blue square  both of them none of them