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