In this task, you're given passages that contain mentions of names of people, places, or things. Some of these mentions refer to the same person, place, or thing. Your job is to write questions that evaluate one's understanding of such references. Good questions are expected to link pronouns (she, her, him, his, their, etc.) or other mentions to people, places, or things to which they may refer. Do not ask questions that can be answered correctly without understanding the paragraph or having multiple answers. Avoid questions that do not link phrases referring to the same entity. For each of your questions, the answer should be one or more phrases in the paragraph, and it should be unambiguous.

Q: Passage: As the 19th century progressed, the United States government's Indian removal policy pushed Native American tribes west of the Mississippi River.  In 1830, the Indian Removal Act was signed into law, and though that act did not directly address the Potawatomi people of Indiana, it led to several additional treaties that resulted in their removal.  In what came to be known as the Potawatomi Trail of Death, about 860 Potawatomi Indians who had refused to leave were forced to move from Indiana to Kansas.  On September 14, 1838, the group camped near Williamsport, and on September 15 they camped in the southwestern part of the county before moving into Illinois.  Before reaching their destination in Kansas, over 40 of them had died, many of them children; two children died and were buried at the second Warren County campsite.When the county was established, the Wabash River was vital to transportation and shipping.  Zachariah Cicott traded up and down the river, and cities like Attica, Perrysville, Baltimore and Williamsport were founded near the river's banks and flourished because of it.  In the 1840s, the Wabash and Erie Canal began to operate and provided even broader shipping opportunities, but the canal favored towns which were on the "right side" of the river; the canal was on the Fountain County side, and towns like Baltimore dwindled as a result.  Some towns, such as Williamsport and Perrysville, managed to participate in canal traffic through the use of side-cuts that brought traffic from the canal across the river.  When railroads were constructed starting in the 1850s, they in turn began to render the canals obsolete and allowed trade to reach towns that lacked water connections.  The canal continued to be used through the early 1870s.

A: What decade did the canals that provided broader shipping opportunities start to decline due to railroads?
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Q: Passage: A young woman in labour makes her way to a parish workhouse and dies after giving birth to a boy, who is systematically named Oliver Twist by the workhouse authorities. As the years go by, Oliver and the rest of the child inmates suffer from the callous indifference of the officials in charge: beadle Mr. Bumble and matron Mrs. Corney. At the age of nine, the hungry children draw straws; Oliver loses and has to ask for a second helping of gruel ("Please sir, I want some more").
For his impudence, he is promptly apprenticed to the undertaker Mr. Sowerberry, from whom he receives somewhat better treatment. However, when another worker, Noah, maligns his dead mother, Oliver flies into a rage and attacks him, earning the orphan a whipping.
Oliver runs away to London. The Artful Dodger, a skilled young pickpocket, notices him and takes him to Fagin, an old Jew who trains children to be pickpockets. Fagin sends Oliver to watch and learn as the Dodger and another boy try to rob Mr. Brownlow, a rich, elderly gentleman. Their attempt is detected, but it is Oliver who is chased through the streets by a mob and arrested. A witness clears him. Mr. Brownlow takes a liking to the boy, and gives him a home. Oliver experiences the kind of happy life he has never had before, under the care of Mr. Brownlow and the loving housekeeper, Mrs. Bedwin.
Meanwhile, Fagin is visited by the mysterious Monks, who has a strong interest in Oliver. He sends Monks to Bumble and Mrs. Corney (now Bumble's domineering wife); Monks buys from them the only thing that can identify Oliver's parentage, a locket containing his mother's portrait.

A: What is the full name of the person who asks "Please sir, I want some more"?
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Q: Passage: In 1880, while Brown was still alive, the lay missionary Christina Smith wrote a book, The Booandik Tribe of South Australian Aborigines, which was published in Adelaide. It included memoirs from her time in the Rivoli Bay district, some 50 kilometres (31 mi) southeast of Guichen Bay. One of these was about an Aboriginal boy called Wergon, whom she had adopted in the 1840s. Wergon had converted to Christianity and went on several journeys to try to convert the local Aboriginal people. One of these evangelical visits was to the country of the Wattatonga tribe, a group whose traditional lands included the newly established Avenue Range Station. He returned from this trip to tell Smith that eleven of the tribe had been massacred by two white men. Wergon had persuaded a witness whose parents had apparently been killed in the massacre to return with him. According to Wergon, "the white men had shown no mercy to the grey-headed old man or to the helpless infant on its mother's breast", and the apparent motive for the massacre was the killing of sheep belonging to a settler in the Guichen Bay district. Smith's account did not include how the massacre was carried out, but did include the details that it was investigated, the bodies of the victims were burnt, and the murderer was discharged for lack of evidence. Smith did not name the settlers. In their 2001 book, the historians Robert Foster, Rick Hosking and Amanda Nettelbeck considered this unsurprising, given that Brown was alive and living nearby at the time Smith's book was published. While circumspect about naming Brown, Smith essentially recounted important details of the massacre in her book published over thirty years after it occurred.

A:
Who was the author of he Booandik Tribe of South Australian Aborigines hesitant about naming?
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