There are three blocks. We call them A, B and C. A big black circle is in block A. Block B is to the left of block A. It contains one small black square, a medium yellow triangle and a big black circle. This block also has one big blue triangle. It is to the right of the big black circle. The medium yellow triangle is to the left of and above the blue object which is to the right of the big black circle. This shape is to the right of and near to the big black circle. Finally, there is block C. It is to the left of block B. It has a big black triangle.
Which object is to the left of a big black circle? the big black triangle or the medium object?
the big black triangle  the medium object both of them none of them