question: What does the graph tell you?
  Choices:
  A:The cost of a call increases by $\$ 0.90$ for each additional minute
  B:Each additional dollar will buy an additional 0.9 minutes of call time
  C:The cost of a call decreases by $\$ 0.90$ for each additional minute
  D:Each additional dollar will buy 0.9 minutes less of call time than the previous dollar
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: What does the graph tell you?
  Choices:
  A:The cost of a call increases by $\$ 0.90$ for each additional minute
  B:Each additional dollar will buy an additional 0.9 minutes of call time
  C:The cost of a call decreases by $\$ 0.90$ for each additional minute
  D:Each additional dollar will buy 0.9 minutes less of call time than the previous dollar
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: What does the graph tell you?
  Choices:
  A:The cost of a call increases by $\$ 0.90$ for each additional minute
  B:Each additional dollar will buy an additional 0.9 minutes of call time
  C:The cost of a call decreases by $\$ 0.90$ for each additional minute
  D:Each additional dollar will buy 0.9 minutes less of call time than the previous dollar
question_for_eval: What does the graph tell you?
  Choices:
  A:The cost of a call increases by $\$ 0.90$ for each additional minute
  B:Each additional dollar will buy an additional 0.9 minutes of call time
  C:The cost of a call decreases by $\$ 0.90$ for each additional minute
  D:Each additional dollar will buy 0.9 minutes less of call time than the previous dollar