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 (", ").

Paragraph- Sent 1: Have you ever felt a shock?
Sent 2: Maybe you had just walked across the carpet and touched something metal?
Sent 3: How is this similar to lightning?
Sent 4: Believe it or not, they are very similar.
Sent 5: They are both discharges of static electricity.
Sent 6: Lightning is static electricity on a grand scale.
Sent 7: Lightning discharges a lot of electric charge.
Sent 8: It happens all at once.
Sent 9: Unfortunately, this large discharge is not useful.
Sent 10: It is so large and so fast, it cannot be controlled.
Sent 11: You cant plug a toaster into a lightning bolt!
Sent 12: For most devices, a much smaller amount of electric charge is needed.
Sent 13: It must also be steady.
Sent 14: It cant come all in one big jolt.
Sent 15: Thats why we cant run our homes off of lightning.
Sent 16: Our homes need to have a steady and continuous supply of electric current.
Question: What can happen when you walk across a carpeted floor and touch metal?.
1, 2.

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?.
2, 6.

Paragraph- Sent 1: In 1964 , in the peak of Beatlemania , a reluctant John Lennon is persuaded by manager Brian Epstein to meet Freddie Lennon , the father who abandoned him seventeen years earlier , with the press in attendance .
Sent 2: When they meet , John accuses his father of abandoning him , but his father says that '' he left it up to John . ''Sent 3: John and Brian quickly leave the meeting .
Sent 4: The movie then jumps to 1967 , after Brian Epstein has died .
Sent 5: The Beatles are giving a press conference about their new film , Magical Mystery Tour .
Sent 6: John is skeptical about the film , but Paul convinces him to go through with the idea .
Sent 7: John then invites his father to his mansion to live with him .
Sent 8: Freddie Lennon arrives and meets his grandson , Julian .
Sent 9: Sitting with his wife , John reads the criticism of Magical Mystery Tour , while comparing his wife to Brigitte Bardot , whom he says he will meet after he returns from India .
Sent 10: John finds a letter addressed to him , with the word '' Breathe '' written on it .
Sent 11: Later , after finding his father in a neighbor 's house , Freddie reveals that he has a 19 year old girlfriend named Pauline , with whom he wants to live .
Sent 12: Lennon accuses his father of leaving him again , and then leaves , after telling his father that he wo n't live with him anymore .
Sent 13: After meeting Maharishi Mahesh Yogi , the Beatles quickly return to London , and in a press conference they say they made a mistake when they trusted Maharishi .
Sent 14: The journalists are curious about the Beatles new business -- Apple Records .
Question: What was the name of the yogi the Beatles met and later distrusted?.
13.