Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A Georgia couple who were allegedly drugged, beaten and stabbed by their two sons during an attempted double murder are standing by them, insisting the pair had 'one bad moment'. Yvonne and Zachery Ervin, both 50, told Good Morning America on Monday morning there were no warning signs to suggest Christopher Ervin, 22, and Cameron Ervin, 17, would brutally attack them on September 5 and try and blow up their suburban Atlanta home. They maintained they loved the pair 'unconditionally' and added the only issues they had with them was when they wouldn't clean their room and would sometimes give them a bad attitude.Yvonne and Zachery Ervin spoke candidly on Good Morning AmericaMaintain they forgive Christopher and Cameron after September 5 attackThe pair allegedly put Xanax in pairs drinks after preparing them dinnerSons then allegedly beat and strangled Yvonne and stabbed ZacaharyThey are behind bars charged with aggravated assault and arsonThe Georgia parents insist there were no problems at home beforehand 
 Question:The parents told police their sons also tried to strangle them, and _ said that what she believed was a flammable liquid had been poured on her, WXIA reported.

Yvonne