question: Use the graph to determine how many solutions the equation $x^3-x^2-x=-2$ has.
  Choices:
  A.No solutions
  B.One solution
  C.Two solutions
  D.Three solutions
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Use the graph to determine how many solutions the equation $x^3-x^2-x=-2$ has.
  Choices:
  A.No solutions
  B.One solution
  C.Two solutions
  D.Three solutions
query_cot: Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: Use the graph to determine how many solutions the equation $x^3-x^2-x=-2$ has.
  Choices:
  A.No solutions
  B.One solution
  C.Two solutions
  D.Three solutions
question_for_eval: Use the graph to determine how many solutions the equation $x^3-x^2-x=-2$ has.
  Choices:
  A.No solutions
  B.One solution
  C.Two solutions
  D.Three solutions