Complex sentence: Charity moves in with Marlon and she tries to give the money to Debbie but she refuses so Charity donates it to the church but Debbie retrieves the money.
Split into simpler sentences: Charity moves in with Marlon and she tries to give the money back to Debbie, but she refuses to take it. Charity then donates it to the church, but Debbie finds out and retrieves the money.