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: The film begins with members of the Catholic Church digging up the body of a 19th century church official , whose casket has a box-shaped urn chained to it .
Sent 2: Inside the box they discover artifacts belonging to Mater Lachrymarum , the last surviving member of the Three Mothers ; an ancient trio of powerful black witches .
Sent 3: In particular , the box contains a magic cloak that , when worn by Mater Lachrymarum , increases her powers significantly .
Sent 4: The urn is shipped to the Museum of Ancient Art in Rome , where Sarah Mandy , an American studying art restorationworks .
Sent 5: Sarah is dating the curator Michael Pierce , a single father who is away from the museum that night .
Sent 6: With help from the assistant curator , Sarah opens the box and finds the cloak , a dagger , and three statues representing the three witches .
Sent 7: Sending Sarah to her office to retrieve tools to help her translate the text on the artifacts , the curator is promptly attacked by the demonic agents of Mater Lachrymarum .
Sent 8: Sarah arrives too late to save her boss and starts to flee the museum .
Sent 9: Unfortunately , she is pursued by Mater Lachrymarum 's familiar and is only able to escape when a disembodied voice magically throws open a series of locked doors keeping her trapped inside the museum .
Sent 10: Sarah tells the police what happened as she spends the night with Michael and his son .
Sent 11: Michael visits the Cardinal who sent him the urn only to find out that , shortly after mailing the urn to him , he had a severe stroke and is now in a coma .
Question: What in particular was attached to the casket and what happened to it?.
answer:
1, 4.

question:
Paragraph- Sent 1: The inhabited history of the Las Vegas Valley stretches to 23,000 b.c.
Sent 2: , when much of the area was covered by a prehistoric lake.
Sent 3: During this period, the indigenous people lived in caves, hunting the mammals that gathered at the shoreline.
Sent 4: The landscape of the valley changed dramatically over the next 200 centuries.
Sent 5: The glaciers feeding the lake melted away and the lake evaporated.
Sent 6: Fossils tell an obscure story of man's slow and sporadic development.
Sent 7: Around 3000 b.c.
Sent 8: , native Archaic Indians began to develop a lasting hunting and gathering culture.
Sent 9: By this time, the valley was in much the same geographic state as it exists in today, with one exceptionthe presence of artesian springs that bubbled to the surface in several areas.
Sent 10: These springs fed a network of streams draining through the Las Vegas Wash to the Colorado River.
Sent 11: The areas surrounding the springs were desert oases: sprawling collections of grasses, trees, and wildlife.
Sent 12: Many springs lay in areas that would eventually become the center of the modern Las Vegas metropolis.
Sent 13: For about 4000 years, the Archaics thrived in a culture that included many signs of early civilization.
Sent 14: Signs of even more advancement appeared halfway through the first millennium a.d.
Sent 15: , when the Anasazi Indians inhabited the valley.
Sent 16: Far more progressive than the Archaics, the Anasazi utilized such formal agricultural techniques as irrigation to assist their harvest.
Sent 17: This permitted the Anasazi to achieve a benchmark of advanced societythe ability to live in permanent shelters year-round without need to follow wildlife.
Sent 18: Mysteriously, the Anasazi vanished from the valley around a.d.
Question: What allowed the Anasazi to live in permanent shelters?.
answer:
16, 17.

question:
Paragraph- Sent 1: Tropical climates are found around the equator.
Sent 2: These climates have warm temperatures year round.
Sent 3: Tropical climates may be very wet or wet and dry.
Sent 4: Tropical wet climates occur at or very near the equator.
Sent 5: They have high rainfall year round.
Sent 6: Tropical rainforests grow in this type of climate.
Sent 7: Tropical wet and dry climates also occur near the equator.
Sent 8: They receive less rainfall.
Sent 9: Most of the rain falls in a single season.
Sent 10: The rest of the year is dry.
Sent 11: Few trees can withstand the long dry season.
Sent 12: The main plants are grasses.
Sent 13: Dry climates receive very little rainfall.
Sent 14: They also have high rates of evaporation.
Sent 15: This makes them even drier.
Sent 16: Deserts can get less than 25 centimeters of rain per year.
Sent 17: Thats less than 10 inches per year.
Sent 18: How much rain do you get at your house?.
Question: Why are the main plants grasses in tropical wet and dry cllimates?.
answer:
7, 9, 10, 11, 12.