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 (", ").

Input: Consider 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: Who described Americans as "friendly, self-confident, optimistic, and without envy" in his/her essay "My First Impression of the U.S.A."?.

Output: 1, 4, 6.

Input: Consider Input: Paragraph- Sent 1: The British Arrive: " Albert is so amused," wrote Queen Victoria, "at my having got the island of Hong Kong.
Sent 2: " Her foreign secretary, Lord Palmerston, was not so amused; he dismissed Hong Kong as "a barren island with hardly a house upon it.
Sent 3: " Hong Kong Island formally became a British possession two years later in 1843.
Sent 4: The British now had a base for the thriving trade they had carried on from Canton.
Sent 5: Trading conditions, however, were not easy.
Sent 6: The attitude expressed by Emperor Qianlong at Britian's first attempt to open trade with China in 1793 continued to prevail: "We possess all things," said the emperor, "I set no value on objects strange or ingenious, and have no use for your country's manufactures." Moreover, China would accept nothing but silver bullion in exchange for its goods, so Britian had to look for a more abundant commodity to square its accounts.
Sent 7: Around the end of the 18th century, the traders found a solution: Opium was the wonder drug that would solve the problem.
Sent 8: Grown in India, it was delivered to Canton, and while China outlawed the trade in 1799, local Cantonese officials were always willing to look the other way for "squeeze money" (a term still used in Hong Kong).
Sent 9: In 1839 the emperor appointed the incorruptible Commissioner Lin Tse-hsu to stamp out the smuggling of "foreign mud.
Sent 10: " Lin's crackdown was indeed severe.
Sent 11: He demanded that the British merchants in Canton surrender their opium stores, and to back up his ultimatum he laid siege to the traders, who, after six tense weeks, surrendered over 20,000 chests of opium.
Sent 12: To Queen Victoria, Lin addressed a famous letter, pointing out the harm the "poisonous drug" did to China, and asking for an end to the opium trade; his arguments are unanswerable, but the lofty though heartfelt tone of the letter shows how unprepared the Chinese were to negotiate with the West in realistic terms.
Sent 13: A year later, in June 1840, came the British retaliation, beginning the first of the so-called Opium Wars.
Sent 14: After a few skirmishes and much negotiation, a peace agreement was reached.
Sent 15: Under the Convention of Chuenpi, Britain was given the island of Hong Kong, and on 26 January 1841, it was proclaimed a British colony.
Question: Who's foreign secretary is Lord Palmerston?.

Output: 1, 2.

Input: Consider Input: Paragraph- Sent 1: Lucy is an eight year old girl who lives with her parents and pet bird.
Sent 2: One Saturday afternoon, she sits at the kitchen table.
Sent 3: She draws a picture of her family.
Sent 4: She makes sure to draw her mom named Martha wearing a purple dress, because that is her favorite.
Sent 5: She draws many yellow feathers for her pet bird named Andy.
Sent 6: After she is done, she gives the picture to her mom.
Sent 7: Her mom hangs it up on the silver refrigerator.
Sent 8: The next day, Lucy's mom comes home with a brown dog named Oliver.
Sent 9: She tells Lucy that she is pet-sitting, which is like babysitting but with a friend's dog.
Sent 10: Lucy's mom tells her she can play with the dog as long as she takes good care of him.
Sent 11: Lucy is excited.
Sent 12: She pets Oliver nicely on his soft back.
Sent 13: He wags his tail.
Sent 14: He barks, "Woof!"Sent 15: and shows he wants to play fetch with her.
Sent 16: Lucy giggles and throws a ball for him to catch.
Sent 17: She wishes her bird could play like this with her every day!.
Question: Who is included in the picture that Lucy drew?.
Output: 1, 4, 5.