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: Crusaders, Mamelukes, and Turks: The Crusaders established a feudal Christian state with Godfrey at its head.
Sent 2: They built many impressive churches during the term of the first Latin Kingdom of Jerusalem, but in 1187 they were driven out by Muslim forces under the great warrior Saladin.
Sent 3: During the Sixth Crusade (1228 1229), the Holy Roman Emperor Frederick II managed to secure Jerusalem for the Christians by negotiation.
Sent 4: The Christians, however, could not hold the city.
Sent 5: After they lost Jerusalem, a Mongol invasion swept through, and in 1244 the Mameluke dynasty of Egypt took control, ruling Jerusalem for the next 250 years.
Sent 6: The city struggled to rebuild from Crusader wars and invasions.
Sent 7: Much of the best Islamic architecture in the city was constructed in the Mameluke era, but the past thousand years had taken their toll: Jerusalem was unable to regain the prosperity it had enjoyed in earlier times.
Sent 8: In the early 16th century, the Ottoman Turkish Empire was advancing through the Middle East.
Sent 9: Jerusalem fell to the Ottomans in 1517, remaining under their control for 400 years.
Sent 10: Suleiman the Magnificent rebuilt the walls and gates in the form they retain to this day.
Sent 11: Fountains, inns, religious schools, and barracks were constructed.
Sent 12: But when Suleiman died, his empire, including Jerusalem, began a long period of decline.
Sent 13: The Holy City remained a backwater until the 19th century, when renewed interest among Christian pilgrims made it the destination of thousands of travelers each year.
Question: When did renewed interest in Jerusalem begin bringing thousands of Christian travelers each year?.
answer:
1.

question:
Paragraph- Sent 1: When you get sick, your body springs to action.
Sent 2: Your body starts to fight the illness.
Sent 3: Thats why you want to eat right and get plenty of sleep.
Sent 4: You need a strong immune system to fight off illness.
Sent 5: Plants dont have an immune system.
Sent 6: That does not mean they do not get sick.
Sent 7: Plants are affected by disease just like us.
Sent 8: Typically, their first line of defense is the death of part of the plant.
Sent 9: This prevents the infection from spreading.
Sent 10: Many plants also produce special chemicals to fight disease.
Sent 11: For example, willow trees produce a chemical to kill the bacteria.
Sent 12: The same compound is used in many acne products.
Sent 13: You can see a picture of a willow tree in Figure Plants may be smarter than we think.
Sent 14: No, they cannot talk to each other.
Sent 15: They may be able to send messages, though.
Question: Willow trees create a special chemical that serves as what?.
answer:
11, 12.

question:
Paragraph- Sent 1: Johnny is a nine year old boy.
Sent 2: On one hot summer day, Johnny is outside his house playing with his dog.
Sent 3: He is very hot and wants to have some ice cream.
Sent 4: He looks in his freezer and sees that he does not have ice cream.
Sent 5: Johnny then hears the song of the ice cream truck.
Sent 6: Johnny runs outside but does not see the ice cream truck.
Sent 7: He looks down the street but the ice cream truck is nowhere to be found.
Sent 8: The music of the truck starts to get softer and then louder.
Sent 9: Johnny waits outside for an hour.
Sent 10: Johnny then thinks that he needs money when the ice cream truck comes.
Sent 11: He runs inside and finds five dollars in his room.
Sent 12: He then hears the ice cream truck song get very loud.
Sent 13: He runs back outside and sees the truck pass his house.
Sent 14: Johnny runs after the truck and catches up with it.
Sent 15: Johnny buys 4 ice cream pops and some candy.
Sent 16: He gives his five dollars to the ice cream man and gets one dollar back.
Sent 17: He walks home and happily eats all of his candy and ice cream.
Question: How long did Johnny wait outside for an ice cream truck?.
answer:
6, 7, 9.