Task: Question Answering
Input (English): Which of the following is not a problem associated with official statistics on strike action?
(A)most strikes go unnoticed by employers and the mass media (B)not all industrial disputes will be reported by the employer (C)the definition of strikes excludes those that involve fewer than ten workers or last less than one day (D)it is hard to compare strikes that were measured in different ways
Output (English): A