    ‘Sentence 1. it depends a’ Jot of uli a-lot of, things  wére: thought that uh.as you now the farmers  ‘thought ‘okay We. got chemicals we're putting  theiticals on the fioll well'the ground wil naturally  filter out’ thé    Senteiice 2 Evi if farmers. pitt chieinicals in ‘the  ground, the ground cventually fiters them out: