question: Quadratic function g opens downward, and goes through (4,-5), (8,-5) with a vertex (6,-1). Is the discriminant of g positive, zero, or negative?
  Choices:
  A:Positivie
  B:Zero
  C:Negative
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Quadratic function g opens downward, and goes through (4,-5), (8,-5) with a vertex (6,-1). Is the discriminant of g positive, zero, or negative?
  Choices:
  A:Positivie
  B:Zero
  C:Negative
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: Quadratic function g opens downward, and goes through (4,-5), (8,-5) with a vertex (6,-1). Is the discriminant of g positive, zero, or negative?
  Choices:
  A:Positivie
  B:Zero
  C:Negative
question_for_eval: Quadratic function g opens downward, and goes through (4,-5), (8,-5) with a vertex (6,-1). Is the discriminant of g positive, zero, or negative?
  Choices:
  A:Positivie
  B:Zero
  C:Negative