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 Q]: Paragraph- Sent 1: How would the universe look without gravity?
Sent 2: It would have no planets and no stars.
Sent 3: Thats how it looked when it was young.
Sent 4: When the universe was young, there was only gas and dust.
Sent 5: From this gas and dust, everything we now see was made.
Sent 6: How were stars and planets created from just gas and dust?
Sent 7: The answer is gravity.
Sent 8: The same gravity that holds you down on Earth.
Sent 9: The same force that causes your pencil to roll off your desk.
Sent 10: The same force that causes it to fall to the floor.
Sent 11: The invisible force of gravity caused dust and gas particles to be pulled together.
Sent 12: This force is what formed all the objects in our solar system.
Sent 13: This force formed the smallest moons.
Sent 14: It also formed our Sun.
Sent 15: This force caused more than just our solar system to form.
Sent 16: It caused all the other solar systems to form.
Sent 17: It caused the formation of all the galaxies of the universe.
Question: Did the universe always have a sun?.
[EX A]: 2, 4, 5.

[EX Q]: Paragraph- Sent 1: The Ghost Inside tells the story of a young mother , Lin Xiaoyue , who flees an abusive husband , taking their young daughter with her .
Sent 2: She rents an apartment in a new apartment block but soon regrets the move as a neighbor tells her the apartment is haunted by the spirit of a young mother who threw her daughter out of the window before jumping to her death herself .
Sent 3: A series of strange occurrences convince Lin there really is a ghost before the spirit finally reveals herself to Lin .
Sent 4: The ghost tells Lin she too will one day committed murder\/suicide in the same fashion .
Sent 5: Lin finds some solace in the company of a male neighbor who helps fend off Lin 's husband when he finally manages to track Lin and his daughter down .
Sent 6: But something about this neighbor and several other inhabitants of the building does n't seem right .
Sent 7: When Lin 's husband shows up at the apartment late one night with two goons intent on taking his daughter back by force , Lin finds herself standing on her balcony , under encouragement from the ghost , considering whether or not to throw her daughter and herself off to stop her abusive husband from parting her from her daughter .
Sent 8: The police arrive and Lin is committed to a psychiatric institute .
Question: who helps Lin to save her daughter ?.
[EX A]: 5.

[EX Q]: Paragraph- Sent 1: Ethan Inglebrink is an agoraphobic heroin addict who lives in a homogeneous California town where nothing ever happens .
Sent 2: A misfit , clad in a powder blue tux , he has convinced his poker buddies , and surrogate moms , Roe , Sandy , and Lou Anne , that he is diabetic and his needles are for insulin , not heroin .
Sent 3: His next-door neighbor is his landlord and former high school football coach Trevor O'Hart , who wants nothing more than to kick Ethan out on the street .
Sent 4: Complicating matters even further is that fact that Ethan 's older brother Todd , the local sheriff , is convinced that his brother can only be saved by an act of God , and recruits the family priest to get the job done .
Sent 5: Meanwhile , as the Garden of the Year competition draws near , Ethan becomes convinced that he can take the $ 10,000 top prize and pay off his delinquent rent if he can just grow the perfect American Cowslip .
Sent 6: Little does Ethan realize that salvation may lie not in the money he could win for growing a rare flower , but with the companionship and understanding offered by his 17-year-old neighbor Georgia , who longs to escape her abusive father .
Question: What does Ethan hope to pay off with the $10,000 ?.
[EX A]:
5.