Question: What has made headlines in relation to the arrest of the British politician who has been the conservative member of parliament for Ashford since 1997 and the First Secretary of State nd Minister for the Cabinet Office since 11 June 2017?
{'answer': 'the doctrine of Parliamentary privilege', 'supporting_facts': [['Parliamentary privilege in the United Kingdom', 3], ['Parliamentary privilege in the United Kingdom', 4], ['Damian Green', 0]]}