This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to treat a brief psychotic disorder
Address suicide risk.
If a person is at risk for hurting themselves or someone else, it's imperative to address this first. People experiencing psychosis are at a high risk for suicide.

Choose your answer from:
1). If the person has a history of suicidal thoughts or a past suicide attempt, the risk is even higher. It's also important to ask if there's a family history of suicide.;
2). They also have limited access to reality in many situations, making suicide a no-brainer. So you need to recognize that suicide is a negative choice for everyone involved.;
3). Admit to them that suicide is key and encourage them to talk to a health professional about their struggle. Some subgroups have intolerant individuals who may try suicide.;
4). Many people with psychosis also are more aggressive and unstable if someone with psychotic symptoms is in harm's way. But the following things can help to prevent suicide : Immediate suicide may be fatal to someone with psychotic disorder.;
The answer is:
1).