Question: What country are Brockton High School and Dufferin Mall in?

Context paragraphs:
Brockton Symphony Orchestra: The Brockton Symphony Orchestra (BrSO) is a community orchestra based in Brockton, Massachusetts founded in 1948 as the Brockton Orchestral Society.  Described by the "Boston Globe" as "one of the region's classical jewels", the orchestra performs five or six concerts each year, including its annual Holiday Pops Concert and Chamber Music Concert at local venues in Brockton including the West Middle School Auditorium and the Oliver Ames High School.  In the 1970s, the orchestra also produced original operas and ballets.  Contemporary works which have been commissioned and premiered by the orchestra include Gardner Read's "Vernal Equinox" (1955), Beth Denisch's "Golden Fanfare" (1998), and Thomas Oboe Lee's "Sounds of The Islands" (2005).

Rudy Harris: Onzell Andre "Rudy" Harris (born September 18, 1971) is a former American football player.  Harris first gained attention as a running back for Brockton High School.  He attended Clemson University where he played football 1990 to 1992.  He was drafted by the Tampa Bay Buccaneers in the fourth round (91st overall pick) of the 1993 NFL Draft.  He played in the National Football League for the Tampa Bay Buccaneers in 1993 and 1994.  He had his first start in an NFL game against the San Francisco 49ers in November 1993 and had a 25-yard pass reception in the game.  After spending two seasons with the Buccaneers, Harris was released in August 1995.  He played in 18 games in the NFL, two as a starter.  In his two NFL seasons, he rushed for 29 yards on nine carries and caught six passes for 59 yards.

Walt Uzdavinis: Walter Alfred Uzdavinis (June 9, 1911 – December 23, 1988) was an American football end who played one season with the Cleveland Rams of the National Football League.  He played college football at Fordham University and attended Brockton High School in Brockton, Massachusetts.

Naturally, Sadie: Naturally, Sadie is a Canadian teen comedy-drama sitcom that ran for three seasons from June 24, 2005 to August 26, 2007 on Family channel.  Although set in Whitby, Ontario, it was filmed in Toronto, Ontario, with school and home scenes shot inside a former Catholic elementary school in Little Italy, and mall scenes in the Dufferin Mall.

Dufferin Mall: Dufferin Mall is a shopping mall in Toronto, Ontario, Canada.  It is located on the west side of Dufferin Street, between Sylvan Avenue and Croatia Street (formerly Awde Street), south of the intersection of Bloor Street West, on the site of a former race track, in the Brockton Village neighbourhood.

Ralph Chesnauskas: Ralph Joseph Chesnauskas (born c. 1935) was an American football player.  Chesnauskas grew up in Brockton, Massachusetts, and attended Brockton High School.  He attended the United States Military Academy and played college football at the guard position for the Army Cadets football team.  He was selected by the Associated Press as a first-team player on its 1954 College Football All-America Team.  He was inducted into the Army Sports Hall of Fame in 2009.

Brockton High School: Brockton High School, established in 1870, is a high school located in Brockton, Massachusetts.  It is a part of Brockton Public Schools.  As of 2016 Brockton High School, with 4,250 students, is one of the largest high schools in the United States and the largest high school in Massachusetts.  Although widely stated by locals to be the largest high school East of the Mississippi River, it is in fact false, as this title is currently held by Brooklyn Technical High School in New York City.  Brockton High School's colors are Black & Red and their mascot is the Boxers, which is a reference to the storied boxing history of the city, and also a tribute to hall-of-fame boxers Rocky Marciano and Marvin Hagler, who are both from Brockton and alumni of Brockton High School.

Forest Avenue School: The Forest Avenue School is a historic one-room schoolhouse in Brockton, Massachusetts.  The school, originally located on Forest Avenue, was built in 1875 and operated until 1963.  It is a two-story wood frame structure, with a single classroom on the first floor, and an open play area on the second.  The building was moved to the (then) new Brockton High School grounds, on Concord Avenue (now Memorial Drive), in 1969.  It currently serves as the Little Red Schoolhouse Museum with exhibits of local history.

Brockton High School (Toronto): Brockton High School (also known as Brockton HS, BHS, or simply known as Brockton) is a Toronto District School Board learning complex based in the Brockton Village neighbourhood of Toronto, Ontario, Canada that currently operates as Brockton Learning Centre consisting of the Aboriginal Education Centre and the Caring and Safe Schools Brockton program.  Originally, it is also a former public and vocational high school which was operated from 1967 to 1995 by the Toronto Board of Education, which was later merged in 1998 into the TDSB.  The Brockton property, located near the Dufferin Mall, is currently owned by the Toronto Lands Corporation, a realtor arm of the school board.

Brockton, Massachusetts: Brockton is a city in Plymouth County, Massachusetts, United States; the population was 95,314 in the 2015 Census.  Brockton, along with Plymouth, are the county seats of Plymouth County.  Brockton is the seventh largest city in Massachusetts and is sometimes referred to as the "City of Champions", due to the success of native boxers Rocky Marciano and Marvin Hagler, as well as its successful Brockton High School sports programs.  Two of the villages within the city are Montello and Campello, both have the distinction of having their own MBTA Commuter Rail Stations and post offices.  Campello is the smallest neighborhood in the city, but also the most populous.  Brockton hosts a baseball team, the Brockton Rox.  Brockton is one of the windiest cities in the United States, with an average wind speed of 14.3 mph.

Supporting paragraphs: Brockton High School (Toronto) Dufferin Mall
Answer: Canada