Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: The head of U.S. intelligence has warned Congress that not renewing the NSA's controversial phone snooping program will 'raise the risk' of another terror incident. James Clapper claims failing to extend part of the Patriot Act, which allows the bulk collection of telephone records, will take away a vital tool in the kit of the intelligence agency. Should Congress not renew Section 215 - due to expire on June 1 - then it must be prepared to shoulder the blame should an 'untoward incident' take place, the Director of National Intelligence added during a question and answer session in New York on Monday.Clapper said failure to renew will mean the loss of a vital 'tool' for spiesDirector of National Intelligence said opponents of Section 215 need to be prepared to should the blame should another 'untoward incident' occurProgram has not stopped one terror attack since it was established in 2001But Clapper claims Section 215 is like having 'fire insurance' for your home 
 Question:'_, to me, is like my fire insurance policy,' he said on Monday.

Section 215