sentence1: I 'm 24 , and I 've never exercised regularly . I want to get physically fit . As my body is unfit right now , what 's the best way to start exercise ?
sentence2: If PUT is put -LRB- pʊt -RRB- then why BUT is butt -LRB- bʌt , bət -RRB- and not boot -LRB- buːt -RRB- ?