Please choose the correct ending to complete the given sentence: Youth: [header] How to deal with a big annoying sister (for teenagers ) [title] Try to resolve the issue with your sister. [step] Even when you and your sister have set strict boundaries, you both will test each other's baseline limits from time to time. When this happens, try your best to resolve the conflict before either of you reaches your breaking point.

Ending1: [substeps] If you feel you and your sister are finally having an argument because you get way too close to one another, you may want to talk it out. Try to work your way into the middle of the argument as soon as possible. Ending2: [substeps] Let your sister know what the problem is, using " i statements. " for example, " i feel belittled when you talk to me like a little kid " or " i feel angry when you choose not to respect my clothing. Ending3: [substeps] It may be at least two months since the last time you argued with your sister. In that time, give it a rest and resume being civil. Ending4: [substeps] For example, if your sister is constantly emailing you and calling you' fatty' or' heartless', try and ignore her calls. This will not only ensure you do not get angry, but also helps you avoid irritating your sibling.

Answer format: ending1/ending2/ending3/ending4