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