Which of the following datasets has a range of exactly 111?
{0.5,1.5}\{0.5, 1.5\}{0.5,1.5}
{1,1,1}\{1, 1, 1\}{1,1,1}
{1,2,3}\{1, 2, 3\}{1,2,3}
{−1,1}\{-1, 1\}{−1,1}