ANSWER:

They should be grateful to Allah that He has blessed them with other children who are practicing and obedient. 

They should take this daughter out of their lives and consider as if they don’t have one like her just to avoid any emotional hardship when she treats them like this. They should only maintain the minimum relationship with her and not engage with her in any discussion or argument and never defend themselves with her. Just let her talk  and talk without replying to her accusations or insults, rather just smile.

This will kill her as they are not reciprocating with her in such toxic discussions. After a while, she will feel embarrassed and ashamed as everyone is looking down at her due to her behavior.

QUESTION: Sheik my elder sister (married) gives lot of backanswers to our parents. Even though they tell for our good she doesn’t understand that. She got worse that she dared to parents to hit her. They couldn’t control their anger and hit her. They are literally broken thinking how much they sacrificed to raise us islamically in a way which we don’t disobey Allah and made sure even if their income is less