There are two blocks, A and B. One small black triangle, a big blue triangle and a big blue square are in block A. Above and near to the big blue square is the small black triangle. It is above the big blue triangle. Above block A there is block B which has a medium blue triangle, one small yellow triangle and one big black triangle. The medium blue triangle is touching the bottom edge of this block. To the right of and near to the big black triangle is the small yellow triangle. It is touching the right edge of this block. The medium blue triangle is below the big black triangle.
What is below the big black triangle? a blue square or a yellow triangle that is touching the right edge of a block?
blue square  yellow triangle  that is touching the right edge of  a block  both of them none of them