sentence: He remembered two years ago when he had been working and he decided to return home early . While he was on his way home , he saw his girlfriend with another guy . They were hugging .
modified: He remembered , two years ago when he had been working and he decided to back home early while he had been backing to home he saw his girlfriend with other guy they were hugging .
transformation: PUNCT, VERB, PUNCT, OTHER, PUNCT, DET, PUNCT