    Sentence fire. > forecasting   challenges” .zetailers “confront. hayé  ‘been amplified im ‘recent. years “by.  produc’: proliferation in: almost  every. category.» : .              Sentence: 2: vestimating  challenges retailers. go-up against.  have. been intensified as of tate By.  item“ muffiplication “in “practically  every dassification. 7              