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CTFL18 · Question #499

An online form has a "Title" input field. The valid values for this field are: Mr, Ms, Mrs. Which of the following is a correct list of the equivalence classes of the input values for this field?

The correct answer is A. Any one of: Mr, Mrs., Ms; any other input. See the full explanation below for the reasoning.

Question

An online form has a "Title" input field. The valid values for this field are: Mr, Ms, Mrs. Which of the following is a correct list of the equivalence classes of the input values for this field?

Options

  • AAny one of: Mr, Mrs., Ms; any other input
  • BMr; Ms; Mrs.; no input; any other input
  • CAny one of: Mr, Mrs., Ms; no input; any other input
  • DMr, Mrs., Ms; any other input

How the community answered

(23 responses)
  • A
    74% (17)
  • B
    13% (3)
  • C
    9% (2)
  • D
    4% (1)

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