sentence1: Kjersti Løken Stavrum is a sister of Gunnar Stavrum and is married to Karl Petter Løken , editor in chief of the online newspaper " Nettavisen " .
sentence2: Kjersti Løken Stavrum is a sister of Karl Petter Løken and is married to Gunnar Stavrum , editor-in-chief of the online newspaper " Nettavisen " .