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