In this task, you're expected to write answers to questions involving multiple references to the same entity. The answer to the question should be unambiguous and a phrase in the paragraph. Most questions can have only one correct answer.

Q: Passage: Following the Seven Years' War (1756–63) and the forced migration of Native American tribes westward, German, Scots-Irish, and other European immigrants settled in the central Susquehanna Valley, including in the area that would become Northumberland, Pennsylvania. Northumberland was laid out around a central village green in 1772, on land originally purchased from the Iroquois by the Province of Pennsylvania in 1768, as part of the first Treaty of Fort Stanwix. During the American Revolution, the village was evacuated as part of the Big Runaway in 1778, and only finally resettled in 1784. In 1794, when the Priestleys moved there, it included Quaker and Wesleyan meeting houses, a brewery, two potteries, a potash manufacturer, a clock maker, a printer (who issued a weekly newspaper), several stores, and approximately one hundred houses.
The Priestley property, purchased in 1794 at a total cost of £500 (£ 56,400 in 2019) from Reuben Haines, who had secured the patent to the land for Northumberland, comprised four lots of the original village plan (numbers 29–32). Currently, the house and grounds occupy 1 acre (4,000 m²) at 472 Priestley Avenue. (The address of the house was originally "North Way", but the street was later renamed in honor of Joseph Priestley.) This street forms the northwest boundary of the property; the other boundaries are Hanover Avenue to the northeast, Wallis Street to the southwest, and the North Shore Railroad to the southeast. Beyond the railroad line is a baseball field, and beyond that lies the Susquehanna River, which was the original southeastern boundary of the property. The confluence of the West Branch Susquehanna River with the main (or North) branch of the Susquehanna is a short distance southwest of the property, which is at an elevation of 456 feet (139 m).The property's original area was 2 acres (8,000 m²), but this was reduced by about half around 1830 when the Pennsylvania Canal (North Branch Division) was dug through the house's front yard, between the house and river. On May 31, 1860, the Lackawanna and Bloomsburg Railroad opened with a train from Danville. This was the second railroad track in Northumberland, and ran behind the house. The canal closed in 1902 and was later filled in. The modern railroad line approximates the canal's course through the front yard; the track behind the house no longer exists. 
Question: What was reduced from 2 acres to 1 when the Pennsylvania Canal was dug?

A: The Priestley property.
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Q: Passage: The film begins at Heathrow Airport, where a Polish immigrant named Lena Malley is working a shift as a cleaner. While there, her colleague Birdie helps her to clean the toilets. The two begin to talk and Lena reveals that she lives alone and doesn't keep in touch with her family. Birdie introduces Lena to her adopted brother Elbie, who also works at the airport and is a mute. Lena tells Birdie that she doesn't get on with her family. While talking, Lena notices scars on Birdie's arm; Birdie explains that she used to have behavioral problems; but that she's better now. At the end of the shift Lena misses her bus so Birdie tells her that her dad will drive Lena home if they walk to Birdie's house.
Upon arriving at the house Lena is knocked out from behind and injected with a syringe. She wakes up tied to a chair to the sound of screaming coming from another room. Moments later Mum and Dad enter the room and introduce themselves. Mum tells Lena that if she does what she is told everything will be ok. Lena is unable to respond because of the injection she received earlier and Mum proceeds to inject her with a sedative. When she wakes up again Mum begins carving marks into her back. 
Lena is unable to speak, and Mum tells her to not try to talk. She gives Lena another injection, and Lena falls asleep. She wakes up later, tied to a frame. Mum tells her that she wanted another girl to come and live there. Mum then pierces Lena's skin with some metal and carves some marks into her back. Following this incident Lena is taken to see Dad who tells her that in his house she will follow his rules
At breakfast, the family are watching pornography. Lena makes an escape attempt but Dad grabs her and Elbie drags her back to the table. 
Question: Who walks to Birdie's house?

A: Birdie.
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Q: Passage: Nielsen was born the seventh of twelve children to a poor peasant family on 9 June 1865 at Sortelung near Nørre Lyndelse, south of Odense on the island of Funen. His father, Niels Jørgensen, was a house painter and traditional musician who, with his abilities as a fiddler and cornet player, was in strong demand for local celebrations. Nielsen described his childhood in his autobiography Min Fynske Barndom (My Childhood on Funen). His mother, whom he recalls singing folk songs during his childhood, came from a well-to-do family of sea captains while one of his half-uncles, Hans Andersen (1837–1881), was a talented musician.Nielsen gave an account of his introduction to music: "I had heard music before, heard father play the violin and cornet, heard mother singing, and, when in bed with the measles, I had tried myself out on the little violin". He had received the instrument from his mother when he was six. He learned the violin and piano as a child and wrote his earliest compositions at the age of eight or nine: a lullaby, now lost, and a polka which the composer mentioned in his autobiography. As his parents did not believe he had any future as a musician, they apprenticed him to a shopkeeper from a nearby village when he was fourteen; the shopkeeper went bankrupt by midsummer and Nielsen had to return home. After learning to play brass instruments, on 1 November 1879 he became a bugler and alto trombonist in the band of the army's 16th Battalion at nearby Odense.Nielsen did not give up the violin during his time with the battalion, continuing to play it when he went home to perform at dances with his father. The army paid him three kroner and 45 øre and a loaf of bread every five days for two and a half years, after which his salary was raised slightly, enabling him to buy the civilian clothes he needed to perform at barn dances. 
Question: What is the the name of the person whose father was a house painter and traditional musician?

A:
Nielsen.
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