If a Respondent Indicates That He Drives a Foreign Car

Multiple Choice

If a respondent indicates that he drives a foreign car, then later, in the same questionnaire, identifies it as a Ford, the editor should

A) change the "Ford" identification to "unknown foreign."
B) change the "foreign" identification to "domestic."
C) throw out both responses.
D) determine which of the responses is correct.
E) Any of the above may be correct.