There are three blocks, A, B and C. Block A is below B. Block B is to the right of C. Block A contains a small black triangle. Block B has one small yellow square and a medium yellow circle. Near to, above and to the right of the medium yellow circle is a big blue circle. And block C has two medium blue squares. To the right of medium blue square number two there is medium blue square number one. Medium blue square number two is touching the bottom edge of this block. One medium blue triangle is also in this block. It also contains a big black triangle. The big black triangle is to the right of medium blue square number one. Above medium blue square number two and a medium yellow square there is the medium blue triangle. The medium yellow square is touching the bottom edge of this block.
Which object is above a small black triangle? the small yellow square or the big blue circle?
the small yellow square  the big blue circle  both of them none of them