There are two blocks, A and B. Block A is below B. Block A contains a medium blue triangle, one medium yellow square and a small blue square. A big black square is touching the bottom edge of this block. This block also has one small black triangle. The medium blue triangle is to the left of the medium yellow square. Below and to the left of the small black triangle there is the big black square. To the left of and above the big black square there is the medium blue triangle. Block B has one big black square.
What is to the left of the thing that is touching the bottom edge of a block? a small black triangle or a big black square?
small black triangle  big black square  both of them none of them