There are three blocks, A, B and C. Block C is below A. Block A is below B. Block A contains a medium black square, one medium black triangle and one big black square. Near to, above and to the left of the big black square is the medium black triangle. Block B contains one medium yellow square. Block C contains a small black triangle, one medium yellow square and one small blue square. To the left of the small blue square is the small black triangle. It is above the medium yellow square. The medium yellow square is near to the small blue square. The small blue square is touching the right edge of this block.
What is above the medium black triangle? a small blue square that is touching the right edge of a block or a medium yellow square?
small blue square  that is touching the right edge of  a block  medium yellow square  both of them none of them