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