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: The conquerors, having disarmed the conquered, have imposed their economic conditions, their absurd moralities and territorial humiliations, as those imposed on Bulgaria, Turkey and Hungary, conditions which are sufficiently difficult to be maintained.
Sent 2: And as the ferment of hate develops, the conquerors do not disarm.
Sent 3: Above all, the little States do not disarm, who have wanted too much, have obtained too much, and now do not know how to maintain what they have.
Sent 4: In many countries for certain social reasons war has become an industry; they live by the state of war.
Sent 5: What would they do without a state of war?
Sent 6: In general, then, Europe has considerably more men under arms than in 1913.
Sent 7: Not only has it not disarmed, as the Entente always declared would be the consequence of the victory of the principles of democracy, but the victors are always leaning toward further armament.
Sent 8: The more difficult it becomes to maintain the conditions of the peace, because of their severity and their absurdity, the more necessary it is to maintain armies.
Sent 9: The conquered have not armies; the conquerors are, or, perhaps, up to a short time ago, were sure that the big armies would serve to enforce the payment of the indemnities.
Sent 10: Now, in fact, they would not serve for anything else.
Question: Who does "not serve for anything else"?.
Example Output: 9, 10.

Example Input: Paragraph- Sent 1: (CNN) -- Federal authorities are investigating threatening letters allegedly containing deadly ricin in Spokane, Washington, the FBI said Thursday.
Sent 2: The FBI and the U.S. Postal Inspection Service are trying to find the source of the two letters, intercepted Tuesday during a screening procedure at a postal facility in Spokane, FBI spokeswoman Ayn Sandalo Dietrich said.
Sent 3: "While we cannot offer further comment on this incident, we stress that law enforcement agencies will continue to assess and address the full spectrum of potential threats," she said.
Sent 4: The American Postal Workers Union was notified of the two suspicious letters by the Postal Service, the union said.
Sent 5: One letter was addressed to the Spokane Post Office and the other to a federal judge in Spokane, the union said.
Sent 6: Both were postmarked May 14, the union said.
Sent 7: Postal Service management told employees they weren't at risk from handling the letters because the suspected substance was not in a form that could be inhaled or readily ingested, the union said.
Sent 8: Preliminary lab tests showed the substance to be ricin, the union said.
Sent 9: The union is monitoring the situation, President Cliff Guffey said.
Sent 10: "Our members' safety is our primary concern," he said in a statement.
Sent 11: In an apparently unrelated case, ricin-tainted letters sent to President Obama and others touched off high anxieties in Washington and elsewhere last month.
Sent 12: James Everett Dutschke, 41, of Tupelo, Mississippi, has been charged with possession and use of a biological agent as a weapon in connection with those letters sent to Obama and others.
Question: The FBI and the U.S. Postal Inspection Service are trying to find the source of the two letters which contained what?.
Example Output: 1, 2.

Example Input: Paragraph- Sent 1: Mr. Thorndike had risen, and, in farewell, was holding out his hand to Andrews.
Sent 2: He turned, and across the court-room the eyes of the financier and the stenographer met.
Sent 3: At the sight of the great man, Spear flushed crimson, and then his look of despair slowly disappeared; and into his eyes there came incredulously hope and gratitude.
Sent 4: He turned his head suddenly to the wall.
Sent 5: Mr. Thorndike stood irresolute, and then sank back into his chair.
Sent 6: The first man in the line was already at the railing, and the questions put to him by the judge were being repeated to him by the other assistant district attorney and a court attendant.
Sent 7: His muttered answers were in turn repeated to the judge.
Sent 8: "Says he's married, naturalized citizen, Lutheran Church, die- cutter by profession." The probation officer, her hands filled with papers, bustled forward and whispered.
Sent 9: "Mrs. Austin says," continued the district attorney, "she's looked into this case, and asks to have the man turned over to her.
Sent 10: He has a wife and three children; has supported them for five years." "Is the wife in court?" the judge said.
Sent 11: A thin, washed-out, pretty woman stood up, and clasped her hands in front of her.
Sent 12: "Has this man been a good husband to you, madam?" asked the young judge.
Sent 13: The woman broke into vehement assurances.
Sent 14: No man could have been a better husband.
Sent 15: Would she take him back?
Sent 16: Indeed she would take him back.
Sent 17: She held out her hands as though she would physically drag her husband from the pillory.
Sent 18: The judge bowed toward the probation officer, and she beckoned the prisoner to her.
Question: Had the man on trial been a good husband?.
Example Output:
2.