question: Which Sun staffers were arrested ?
answer: crime editor Mike Sullivan , head of news Chris Pharo , former deputy editor Fergus Shanahan , and former managing editor Graham Dudman
turker_answer: Sun crime editor Mike Sullivan , head of news Chris Pharo , former deputy editor Fergus Shanahan , and former managing editor Graham Dudman were arrested .
rule-based: Crime editor Mike Sullivan , head of news Chris Pharo , former deputy editor Fergus Shanahan , and former managing editor Graham Dudman were arrested .