instruction:
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 (", ").
question:
Paragraph- Sent 1: Rivers flowing over gentle slopes move more slowly.
Sent 2: They move much more slowly than a mountain stream.
Sent 3: These slow moving streams create different types of features than mountain streams.
Sent 4: Slow moving water erodes the sides of their channels more than the bottom.
Sent 5: Also, large curves in the stream form.
Sent 6: These curves are called meanders.
Sent 7: Meanders are caused by erosion and deposition.
Sent 8: Remember, faster moving water causes erosion more quickly.
Sent 9: Slower moving water erodes material more slowly.
Sent 10: If water is moving slowly enough, the sediment being carried may settle out.
Sent 11: This settling out, or dropping off, of sediment is deposition.
Sent 12: The curves are called meanders because they slowly wander over the land.
Sent 13: As meanders erode from side to side, they create a floodplain.
Sent 14: This is a broad, flat area on both sides of a river.
Sent 15: Eventually, a meander may become cut off from the rest of the river.
Sent 16: This forms an oxbow lake.
Question: Do meanders cause oxbow lakes?.
answer:
15, 16.

question:
Paragraph- Sent 1: The grant also will help victims go through court proceedings after losing a job or being evicted because of an abuser's actions, Xanthopoulos said.
Sent 2: "It's going to help the victims, but it's also going to help their children," he said.
Sent 3: More than 270 domestic violence assaults in Madison County were reported last year, according to Tennessee Bureau of Investigation statistics.
Sent 4: In Jackson, more than 730 domestic violence assaults were reported last year, according to records.
Sent 5: "Domestic violence is certainly on the increase and we need to do something to curve that.
Sent 6: I see this as helping that," Madison County Sheriff David Woolfork said of the grant.
Sent 7: Domestic violence accounted for five of 12 murders in 2001 in Jackson, police have said.
Sent 8: And the increase in calls prompted Jackson Police Chief Rick Staples in March to form a focus group to determine if police officers need to make changes in their response to domestic calls.
Question: The increase in calls to Jackson police led to what action?.
answer:
4, 7, 8.

question:
Paragraph- Sent 1: The film opens with Sunita , a medical student , and her friends working on a project about the human brain .
Sent 2: She wants to investigate the curious case of Sanjay Singhania , a notable city businessman , who is reported to have anterograde amnesia .
Sent 3: Her professor denies access to Sanjay 's records as it is currently under criminal investigation .
Sent 4: Sunita , nonetheless , decides to investigate the matter herself .
Sent 5: Sanjay is introduced as he brutally murders a man .
Sent 6: He takes a Polaroid picture of the man , and writes on it '' done '' .
Sent 7: It is revealed that Sanjay has anterograde amnesia where he loses his memory every 15 minutes .
Sent 8: Sanjay uses a system of photographs , notes , and tattoos on his body to recover his memory after each cycle .
Sent 9: It is revealed that Sanjay is ultimately out to avenge the death of his sweetheart Kalpana , and that he is systematically killing the people who were responsible for it .
Sent 10: His main target is '' Ghajini '' , a notable social personality in the city .
Sent 11: Police Inspector Arjun Yadav , on the case of the serial murders , tracks Sanjay down to his flat and attacks and disables him .
Sent 12: Yadav finds two diaries where Sanjay has chronicled the events of 2005 and 2006 .
Sent 13: The film flashes back to 2005 as Yadav reads the diary .
Sent 14: Sanjay Singhania is shown as the owner of the Air Voice mobile telephone company .
Sent 15: In the course of his business , Sanjay sends his men to meet Kalpana , a struggling model , about putting up a billboard above her apartment .
Sent 16: The owner of Kalpana 's advertising firm misinterprets this as a romantic advance , and in view of a possible lucrative Air Voice ad campaign and other benefits , encourages Kalpana to accept the overture .
Question: Who encourages Kaplana to accept the overture of puttng up a billboard?.
answer:
15, 16.