We have three blocks, A, B and C. Block C is to the right of B and block B is above A. Block A contains one medium yellow square. Block B contains a medium yellow square, one medium yellow triangle and a medium black square. The medium yellow square is touching the bottom edge of this block. The medium yellow triangle is above, to the left of and near to the medium black square. Block C has a medium black circle and a big blue triangle. The medium black circle is touching the right edge of this block. This object is below the big blue triangle.
What is below the thing that is touching the bottom edge of a block? a medium yellow square or a big triangle?
medium yellow square  big triangle  both of them none of them