question: The graph of a cubic function  f  is shown in Figure 18 with a labeled point (1.333, 5.185) at its right part. Based on the calculator screen shot, the point  (1.333,5.185)  is which of the following?
  Choices:
  A.a relative (local) maximum of the function
  B.the vertex of the function
  C.the absolute maximum of the function
  D.a zero of the function
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: The graph of a cubic function  f  is shown in Figure 18 with a labeled point (1.333, 5.185) at its right part. Based on the calculator screen shot, the point  (1.333,5.185)  is which of the following?
  Choices:
  A.a relative (local) maximum of the function
  B.the vertex of the function
  C.the absolute maximum of the function
  D.a zero of the function
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: The graph of a cubic function  f  is shown in Figure 18 with a labeled point (1.333, 5.185) at its right part. Based on the calculator screen shot, the point  (1.333,5.185)  is which of the following?
  Choices:
  A.a relative (local) maximum of the function
  B.the vertex of the function
  C.the absolute maximum of the function
  D.a zero of the function
question_for_eval: The graph of a cubic function  f  is shown in Figure 18 with a labeled point (1.333, 5.185) at its right part. Based on the calculator screen shot, the point  (1.333,5.185)  is which of the following?
  Choices:
  A.a relative (local) maximum of the function
  B.the vertex of the function
  C.the absolute maximum of the function
  D.a zero of the function