Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use proper chat room etiquette [title] Do introduce yourself to everyone in the room in the chat room. [title] State your question clearly in the room, should that be your reason for arriving. [step] Simply asking for help, saying you need help, or telling the room you have a question will not turn attention towards you.

Ending1: [title] Tell your co-workers if you are not sure of what to say in the chat room, or if you need specific help with something. [step] Don't say, " i'd like to speak to dr willansky here right now, please. Ending2: [title] Greet each person in the room by name. [step] (' tim' and' kevin') shake hands and smile. Ending3: The answer is always a problem, and sharing your problem should be a courtesy. Try saying something like : [substeps] " i'm trying to find my way back to my room. Ending4: People are not mind readers, and they cannot help you unless you ask for it. Be specific in what you are looking for, and provide all relevant details to your question.

Answer format: ending1/ending2/ending3/ending4