Complex sentence: Monica's old schoolfriend Rachel (Jennifer Aniston), who move in with Monica after running out of her wedding; and their friends, Joey, Chandler and Phoebe (Matt LeBlanc, Matthew Perry and Lisa Kudrow), who offer them each support and advice.
Split into simpler sentences: Monica's old schoolfriend Rachel (Jennifer Aniston) moves in with her after running out of her wedding. Their friends Joey, Chandler and Phoebe (Matt LeBlanc, Matthew Perry and Lisa Kudrow) offer them each support and advice.