Complex sentence: Adam Lerner is a 27-year-old public radio journalist in Seattle with an artist girlfriend Rachael, of whom his best friend and co-worker Kyle disapproves; where Kyle is brash and outspoken, Adam is more introverted and mild-mannered.
Split into simpler sentences: Adam Lerner is a 27-year-old public radio journalist in Seattle with an artist girlfriend Rachael, of whom his best friend and co-worker Kyle disapproves. Where Kyle is brash and outspoken, Adam is more introverted and mild-mannered.