question: What was the change made to Operation Elveden by the Crown Prosecution Service ?
answer: prosecutions would only be brought against journalists who had made payments to police officers over a period of time
turker_answer: The change made to Operation Elveden by the Crown Prosecution Service was prosecutions would only be brought against journalists who had made payments to police officers over a period of time .
rule-based: The change made to Operation Elveden by the Crown Prosecution Service was prosecutions would only be brought against journalists who had made payments to police officers over a period of time .