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: Little is known of the earliest Stone Age inhabitants of Europe's southwestern extremity.
Sent 2: The ancient Greeks called them the Cynetes (or Cunetes).
Sent 3: Whatever their origins, their culture evolved under the pressure and influence of foreign forces.
Sent 4: Among the many invading armies that settled here and contributed to nascent Portuguese culture were Phoenicians, who settled in the area around 1,000 b.c., followed by the Celts, Iberians, Greeks, and Carthaginians.
Sent 5: But it was the Romans, who arrived late in the third century b.c., who most greatly influenced all of Iberia.
Sent 6: They built towns, industries, roads, and bridges, developed agriculture, and bequeathed the Latin language, of which Portuguese is a direct descendant.
Sent 7: The Romans named the southwestern province of the peninsula Lusitania, oddly enough for one of the Celtiberian tribes they defeated, and by the third century a.d.
Sent 8: had introduced Christianity.
Sent 9: By the beginning of the fourth century the Algarve had a bishop in place, based in Faro.
Sent 10: But Rome had already fallen into decay, and soon hordes of northern tribesmen took over the empire.
Sent 11: The Algarve fell to the Visigoths in the mid-fifth century.
Sent 12: Under Moorish Rule In a.d.
Sent 13: 711, the Moors brought powerful armies from North Africa and launched a devastating attack on the Iberian peninsula, conquering much of what would become Spain and Portugal.
Sent 14: They imposed Islam and left an indelible influence on the countryside and the population of the Algarve.
Sent 15: The Moorish legacy can still be seen in the form of wells and waterwheels, squat white houses, the dark complexions of the people, and in the very name given the regiontaken from Al-Gharb, which means "country of the west" (when the Moors conquered the territory, it was the most westerly in the known world).
Sent 16: The Moors governed their Iberian kingdoms from across the border in Seville, but the Algarve had its own regional capital and huge, invulnerable fortress.
Sent 17: The capital was Chelb (or Xelb), and it was bigger and better defended than Lisbon.
Sent 18: Today the town, known as Silves, (see page 38) is a provincial outpost whose only besiegers are busloads of tourists who climb the narrow streets up to the old Moorish ramparts.
Question: Who built towns, industries, roads, bridges, and developed agriculture to influence all of Iberia?.
5, 6.

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: When does deposition occur?.
10, 11.

Paragraph- Sent 1: The film begins with the announcement of the scheduled launch of a space vehicle carrying an Indian remote sensing satellite which would help scientists identify land suitable for agriculture .
Sent 2: Within a short range of this operation , in the same forest , the state forest department runs an NCC camp for women cadets .
Sent 3: Dhuruvan is a trainer at the camp .
Sent 4: Being a Scheduled tribe , he is deprecated for being positioned as a cadet officer in the forest security force through reservation system by his senior officer Ganapathiram .
Sent 5: But Dhuruvan 's integrity and co-living with other tribes in the forest abnegates aboriginal allegations by other forward caste officials and cadets in the department .
Sent 6: As a part of the training camp , an expedition is organized into the forest for a selected five cadets from the troop .
Sent 7: Dhuruvan selects the five most insolent and disobedient girls in the troop for the expedition intending to provide them better training .
Sent 8: As an attempt at a practical joke , the haughty girls post a complaint to Ganapathiram claiming that they did n't feel safe with Dhuruvan and that he was responsible for whatever that was to happen to them .
Sent 9: Meanwhile , the expedition begins and while Dhuruvan is caught up in some procedures at the forest check post , the girls non-chanlantly try to drive the jeep and run it down the slope of a hill .
Sent 10: After losing their vehicle , the troop decides to stay in the forest for the night and go by an alternate route the next morning .
Sent 11: But the plot thickens , when Kalpana describes two white men with advanced armaments in the Indian forest heading towards the direction of the Indian satellite research station in the forest .
Question: What proved Dhuruvan's selection of the five female cadets to be a failure?.
8, 9, 10.