Sentence 1: My friend got into a dispute with the landlord. 
 Sentence 3: He was adamant that it wasn't, not at all 
 Sentence 4:  She threatened to move out if he wouldn't fix it 
 Sentence 5:  He offered to help her do just that, and right now, too 
 Given Sentence 2: She insisted it was his duty to fix the washing machine.