Premise: The Boston Celtics ( [ ˈsɛltɪks ] ) are an American professional basketball team based in Boston , Massachusetts . The Celtics play their home games at the TD Garden , which they share with the National Hockey League ( NHL ) 's Boston Bruins . TD Garden , often called `` Boston Garden '' and `` The Garden '' , is a multi-purpose arena in Boston . TD Garden is the home arena for the Boston Bruins of the National Hockey League and the Boston Celtics of the National Basketball Association .
Hypothesis: The Boston Celtics and the Boston Bruins both play their home games abroad.
Label: CONTRADICTION