sentence: Swimming as a sport is very useful for weight reduction if you are obese and need to reduce your weight . It is also the best sport for asthmatic patients , because it strengthens the chest muscles and decreases the vulnerability of those patients to respiratory infections .
modified: Swimming as a sport is very useful in wieght reduction if you are obese and need to reduce your wieght , it is also the best sport for the asthmatic patients because it strengthens the chest muscles and decreases the vulnerability of those patients to respiratory infections .
transformation: PREP, SPELL, SPELL, PUNCT, DET, PUNCT