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