There are three blocks, A, B and C. Block A is to the left of C and block C is below B. Block A contains a small black triangle, a big blue square and one small blue square. To the right of the small blue square there is the small black triangle. Above the small blue square is the big blue square. The small black triangle is touching the bottom edge of this block. It is below the square which is above the small blue square. Block B contains a small yellow triangle and a big black triangle. The small yellow triangle is below the big black triangle. Block C has a small yellow triangle and one big yellow square. To the left of the big yellow square is the small yellow triangle.
Which object is below a big black triangle? the big blue square or the small black triangle that is touching the bottom edge of a block?
the big blue square  the small black triangle  that is touching the bottom edge of a block  both of them none of them