You are given a paragraph, with numbered sentences, and a question. Write the numbers of the sentences needed to answer the given question. Separate multiple sentence numbers with a comma (", "). E.g. "1, 2" would be the correct response if Sent 1 and Sent 2 are needed to answer the given question (do not include sentences that contain no information that is necessary to answer the question). Sort the sentence numbers in an increasing order (i.e., '1, 2', instead of '2, 1'). Your answer should not contain anything than the sentence numbers separated by a comma (e.g. '1, 2, 3, 4'). The given question requires more than one sentence to answer. So, your answer must contain at least one comma (", ").

Ex Input:
Paragraph- Sent 1: About this time, Card, the lead Secret Service agent, the President's military aide, and the pilot were conferring on a possible destination for Air Force One.
Sent 2: The Secret Service agent felt strongly that the situation in Washington was too unstable for the President to return there, and Card agreed.
Sent 3: The President strongly wanted to return to Washington and only grudgingly agreed to go elsewhere.
Sent 4: The issue was still undecided when the President conferred with the Vice President at about the time Air Force One was taking off.
Sent 5: The Vice President recalled urging the President not to return to Washington.
Sent 6: Air Force One departed at about 9:54 without any fixed destination.
Sent 7: The objective was to get up in the air-as fast and as high as possible-and then decide where to go.
Sent 8: At 9:33, the tower supervisor at Reagan National Airport picked up a hotline to the Secret Service and told the Service's operations center that "an aircraft [is] coming at you and not talking with us."Sent 9: This was the first specific report to the Secret Service of a direct threat to the White House.
Sent 10: No move was made to evacuate the Vice President at this time.
Sent 11: As the officer who took the call explained, "[I was] about to push the alert button when the tower advised that the aircraft was turning south and approaching Reagan National Airport."Sent 12: American 77 began turning south, away from the White House, at 9:34.
Sent 13: It continued heading south for roughly a minute, before turning west and beginning to circle back.
Sent 14: This news prompted the Secret Service to order the immediate evacuation of the Vice President just before 9:36.
Sent 15: Agents propelled him out of his chair and told him he had to get to the bunker.
Sent 16: The Vice President entered the underground tunnel leading to the shelter at 9:37.
Sent 17: Once inside, Vice President Cheney and the agents paused in an area of the tunnel that had a secure phone, a bench, and television.
Sent 18: The Vice President asked to speak to the President, but it took time for the call to be connected.
Question: When did the information come in of a specific threat to the White House?.

Ex Output:
8, 9.

Ex Input:
Paragraph- Sent 1: Einstein visited New York City for the first time on 2 April 1921, where he received an official welcome by Mayor John Francis Hylan, followed by three weeks of lectures and receptions.
Sent 2: He went on to deliver several lectures at Columbia University and Princeton University, and in Washington he accompanied representatives of the National Academy of Science on a visit to the White House.
Sent 3: On his return to Europe he was the guest of the British statesman and philosopher Viscount Haldane in London, where he met several renowned scientific, intellectual and political figures, and delivered a lecture at King's College.
Sent 4: He also published an essay, "My First Impression of the U.S.A.," in July 1921, in which he tried briefly to describe some characteristics of Americans, much as Alexis de Tocqueville did, who published his own impressions in Democracy in America (1835).
Sent 5: For some of his observations, Einstein was clearly surprised: "What strikes a visitor is the joyous, positive attitude to life .
Sent 6: The American is friendly, self-confident, optimistic, and without envy."Sent 7: In 1922, his travels took him to Asia and later to Palestine, as part of a six-month excursion and speaking tour, as he visited Singapore, Ceylon and Japan, where he gave a series of lectures to thousands of Japanese.
Sent 8: After his first public lecture, he met the emperor and empress at the Imperial Palace, where thousands came to watch.
Sent 9: In a letter to his sons, Einstein described his impression of the Japanese as being modest, intelligent, considerate, and having a true feel for art.
Sent 10: On his return voyage, he visited Palestine for 12 days in what would become his only visit to that region.
Sent 11: Einstein was greeted as if he were a head of state, rather than a physicist, which included a cannon salute upon arriving at the home of the British high commissioner, Sir Herbert Samuel.
Sent 12: During one reception, the building was stormed by people who wanted to see and hear him.
Sent 13: In Einstein's talk to the audience, he expressed happiness that the Jewish people were beginning to be recognized as a force in the world.
Question: In what country was Einstein greeted as a head of state in 1922?.

Ex Output:
7, 10, 11.

Ex Input:
Paragraph- Sent 1: Milwaukee, Wisconsin (CNN) -- President Barack Obama, in a bid to create jobs and boost economic growth, called on Congress on Monday to pass a $50 billion plan to renew the country's transportation infrastructure.
Sent 2: His address was the first of two speeches the president is scheduled to make this week to frame his administration's ongoing response to the recession, less than two months ahead of midterm elections in which Democratic majorities in the House and Senate are in jeopardy.
Sent 3: "Today, I am announcing a new plan for rebuilding and modernizing America's roads, and rails and runways for the long term," said Obama, who spoke on Labor Day in Milwaukee, Wisconsin -- a state with competitive gubernatorial and U.S. Senate races.
Sent 4: "We used to have the best infrastructure in the world.
Sent 5: We can have it again," he said to loud cheers from a crowd of union workers.
Sent 6: The proposal envisions -- over a six year period -- rebuilding 150,000 miles of roads, 4,000 miles of rail and 150 miles of airport runways.
Sent 7: It also would include modernizing the nation's air traffic control system in an effort to reduce delays and travel time.
Sent 8: "This will not only create jobs immediately.
Sent 9: It's also going to make our economy hum over the long haul," said the president.
Sent 10: Obama hopes to work with Congress to enact an up-front investment of $50 billion -- an amount a White House statement said would represent a significant chunk of new spending on infrastructure.
Sent 11: The investment would then be paired with what the administration called a framework to improve transportation spending.
Sent 12: The long-term plan would include the establishment of an Infrastructure Bank, which would leverage federal dollars and focus on projects that could deliver the the biggest bang for the buck, Obama said.
Sent 13: The president stressed the need for Democrats and Republicans to work together on the transportation initiative, which would need to be approved by Congress.
Question: Is President Barack Obama, in a bid to create jobs and boost economic growth, called on Congress on Monday to pass a $50 billion plan to renew the country's transportation infrastructure?.

Ex Output:
2.