Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to stand up to homophobic bullying [title] Intervene immediately. [step] Don't allow a bully to continue harassing someone for being or appearing homosexual. If you see or hear something, do something right away.

Ending1: Don't wait for someone else to step in, be a leader and step up. [substeps] Being gay should never be the butt of a joke. Ending2: Address the situation with a firm and comfortable face. Don't hit or punish an unwilling person if possible. Ending3: Don't allow the bully to set the ground rules for you. [substeps] Never feel the urge to say something rude or uncomfortable. Ending4: If the bullying is happening in person, then you should intervene immediately. If there isn't anything you can do, then call 9-1-1 or the police.

Answer format: ending1/ending2/ending3/ending4