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 (", ").

Example Input: Paragraph- Sent 1: Alexander III of Macedon (20/21 July 356 - 10/11 June 323 BC), commonly known as Alexander the Great (Greek: Alexandros o Megas, Alexandros ho Megas [a.lek.san.dros ho me.gas]), was a King (Basileus) of the Ancient Greek kingdom of Macedon and a member of the Argead dynasty.
Sent 2: Born in Pella in 356 BC, Alexander succeeded his father, Philip II, to the throne at the age of twenty.
Sent 3: He spent most of his ruling years on an unprecedented military campaign through Asia and northeast Africa, until by the age of thirty he had created one of the largest empires of the ancient world, stretching from Greece to Egypt and into northwest India.
Sent 4: He was undefeated in battle and is considered one of history's most successful military commanders.
Sent 5: During his youth, Alexander was tutored by the philosopher Aristotle until the age of 16.
Sent 6: After Philip was assassinated in 336 BC, Alexander succeeded his father to the throne and inherited a strong kingdom and an experienced army.
Sent 7: He had been awarded the generalship of Greece and used this authority to launch his father's Panhellenic project to lead the Greeks in the conquest of Persia.
Sent 8: In 334 BC, he invaded the Achaemenid Empire, ruled Asia Minor, and began a series of campaigns that lasted ten years.
Sent 9: Alexander broke the power of Persia in a series of decisive battles, most notably the battles of Issus and Gaugamela.
Sent 10: He subsequently overthrew the Persian King Darius III and conquered the Achaemenid Empire in its entirety.
Sent 11: At that point, his empire stretched from the Adriatic Sea to the Indus River.
Sent 12: Seeking to reach the "ends of the world and the Great Outer Sea", he invaded India in 326 BC, but was eventually forced to turn back at the demand of his troops.
Sent 13: Alexander died in Babylon in 323 BC, the city he planned to establish as his capital, without executing a series of planned campaigns that would have begun with an invasion of Arabia.
Sent 14: In the years following his death, a series of civil wars tore his empire apart, resulting in several states ruled by the Diadochi, Alexander's surviving generals and heirs.
Sent 15: Alexander's legacy includes the cultural diffusion his conquests engendered, such as Greco-Buddhism.
Sent 16: He founded some twenty cities that bore his name, most notably Alexandria in Egypt.
Sent 17: Alexander's settlement of Greek colonists and the resulting spread of Greek culture in the east resulted in a new Hellenistic civilization, aspects of which were still evident in the traditions of the Byzantine Empire in the mid-15th century and the presence of Greek speakers in central and far eastern Anatolia until the 1920s.
Sent 18: Alexander became legendary as a classical hero in the mold of Achilles, and he features prominently in the history and myth of Greek and non-Greek cultures.
Question: How long after Phillip's death did Alexander invade India?.
Example Output: 2, 6.

Example Input: Paragraph- Sent 1: At 9:48, a representative from the White House shelter asked if there were any indications of another hijacked aircraft.
Sent 2: The deputy director for operations mentioned the Delta flight and concluded that "that would be the fourth possible hijack."Sent 3: At 9:49, the commander of NORAD directed all air sovereignty aircraft to battle stations, fully armed.
Sent 4: At 9:59, an Air Force lieutenant colonel working in the White House Military Office joined the conference and stated he had just talked to Deputy National Security Advisor Stephen Hadley.
Sent 5: The White House requested (1) the implementation of continuity of government measures, (2) fighter escorts for Air Force One, and (3) a fighter combat air patrol over Washington, D.C.
Sent 6: By 10:03, when United 93 crashed in Pennsylvania, there had been no mention of its hijacking and the FAA had not yet been added to the teleconference.
Sent 7: The President and the Vice President The President was seated in a classroom when, at 9:05, Andrew Card whispered to him: "A second plane hit the second tower.
Sent 8: America is under attack."Sent 9: The President told us his instinct was to project calm, not to have the country see an excited reaction at a moment of crisis.
Sent 10: The press was standing behind the children; he saw their phones and pagers start to ring.
Sent 11: The President felt he should project strength and calm until he could better understand what was happening.
Sent 12: The President remained in the classroom for another five to seven minutes, while the children continued reading.
Sent 13: He then returned to a holding room shortly before 9:15, where he was briefed by staff and saw television coverage.
Sent 14: He next spoke to Vice President Cheney, Dr. Rice, New York Governor George Pataki, and FBI Director Robert Mueller.
Sent 15: He decided to make a brief statement from the school before leaving for the airport.
Sent 16: The Secret Service told us they were anxious to move the President to a safer location, but did not think it imperative for him to run out the door.
Sent 17: Between 9:15 and 9:30, the staff was busy arranging a return to Washington, while the President consulted his senior advisers about his remarks.
Sent 18: No one in the traveling party had any information during this time that other aircraft were hijacked or missing.
Sent 19: Staff was in contact with the White House Situation Room, but as far as we could determine, no one with the President was in contact with the Pentagon.
Question: What were some of the President's first thoughts upon hearing of the attacks?.
Example Output: 9, 10, 11.

Example Input: Paragraph- Sent 1: Our only sources for what intelligence officials thought at the time are what they said in informal briefings.
Sent 2: Soon after the Cole attack and for the remainder of the Clinton administration, analysts stopped distributing written reports about who was responsible.
Sent 3: The topic was obviously sensitive, and both Ambassador Bodine in Yemen and CIA analysts in Washington presumed that the government did not want reports circulating around the agencies that might become public, impeding law enforcement actions or backing the President into a corner.
Sent 4: Instead the White House and other principals relied on informal updates as more evidence came in.
Sent 5: Though Clarke worried that the CIA might be equivocating in assigning responsibility to al Qaeda, he wrote Berger on November 7 that the analysts had described their case by saying that "it has web feet, flies, and quacks."Sent 6: On November 10, CIA analysts briefed the Small Group of principals on their preliminary findings that the attack was carried out by a cell of Yemeni residents with some ties to the transnational mujahideen network.
Sent 7: According to the briefing, these residents likely had some support from al Qaeda.
Sent 8: But the information on outside sponsorship, support, and direction of the operation was inconclusive.
Sent 9: The next day, Berger and Clarke told President Clinton that while the investigation was continuing, it was becoming increasingly clear that al Qaeda had planned and directed the bombing.
Sent 10: In mid-November, as the evidence of al Qaeda involvement mounted, Berger asked General Shelton to reevaluate military plans to act quickly against Bin Ladin.
Sent 11: General Shelton tasked General Tommy Franks, the new commander of CENTCOM, to look again at the options.
Sent 12: Shelton wanted to demonstrate that the military was imaginative and knowledgeable enough to move on an array of options, and to show the complexity of the operations.
Sent 13: He briefed Berger on the "Infinite Resolve" strike options developed since 1998, which the Joint Staff and CENTCOM had refined during the summer into a list of 13 possibilities or combinations.
Sent 14: CENTCOM added a new "phased campaign"concept for wider-ranging strikes, including attacks against the Taliban.
Sent 15: For the first time, these strikes envisioned an air campaign against Afghanistan of indefinite duration.
Sent 16: Military planners did not include contingency planning for an invasion of Afghanistan.
Sent 17: The concept was briefed to Deputy National Security Advisor Donald Kerrick on December 20, and to other officials.
Sent 18: On November 25, Berger and Clarke wrote President Clinton that although the FBI and CIA investigations had not reached a formal conclusion, they believed the investigations would soon conclude that the attack had been carried out by a large cell whose senior members belonged to al Qaeda.
Question: Who did General Shelton task with looking at the options against Bin Laden and what did he want to demonstrate?.
Example Output:
10, 11, 12.