sentence: I am 16 years of age and , due to having a sister , I really like working with children and also know their interests well . I have enjoyed and practised swimming since I was eight years old and I have also won some competitions , so I believe that I am suitable for the job .
modified: I am 16 years of age and due to having a sister I really like working with children and also know their interest well . I have enjoyed and practised swimming since I was eight years old and I have also won some competition , therefore I believe that I am suitable for the job .
transformation: PUNCT, PUNCT, NOUN:NUM, NOUN:NUM, ADV