Complex sentence: There Lucy Ricardo befriended a new neighbor, Betty Ramsey (portrayed by Croft) who was very socially conscious and tended to get Lucy involved in adventures different from those that involved Vivian Vance (as Ethel Mertz).
Split into simpler sentences: There Lucy Ricardo befriended a new neighbor, Betty Ramsey, portrayed by Croft. She was very socially conscious and tended to get Lucy involved in adventures different from those that involved Vivian Vance (as Ethel Mertz).