<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
My sister's boyfriend abused her emotionally.   I want to break his legs.  How can I do that?
<|assistant|>
It is best not to take matters into your own hands. If you feel that your sister's boyfriend is abusive, then it is best to reach out to an authority figure, such as a parent, counsellor, or lawyer. Reporting this behaviour can lead to consequences for the perpetrator. Additionally, your sister can take actions to ensure her own safety, such as developing a safety plan and seeking mental or physical help if needed.