Complex sentence: Bethany Meilani Hamilton (born February 8,1990) is an American professional surfer who survived a shark attack in which her left arm was bitten off, but ultimately returned to professional surfing.
Split into simpler sentences: Bethany Meilani Hamilton (born February 8,1990) is an American professional surfer. She is known for surviving a shark attack in which her left arm was bitten off, and for overcoming the injury to ultimately return to professional surfing.