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