task 1. The original recipient's name is 언니. task 2. The relationship between the author and 언니 is not clear from the post. However, the author seems to be considering whether going to work with 언니 would be a good idea. The dominant emotion of the post is uncertainty. The author seems to be seeking advice and guidance. The extent score to which the author wants to receive comments is 4 out of 5. task 3. - understanding level of the author's emotion: score 4. The author's uncertainty and need for guidance are clear from the post. - understanding level of physical distance: score 3. The post does not provide enough information to determine the physical distance between the author and 언니. - appropriateness of the reply: score 4. The reply provides helpful advice and reassurance to the author. task 4. 나은 대답: 언니와 함께 일하는 것이 좋은 선택일 수도 있지만, 상황에 따라 다르니까요. 언니와 친하다면 함께 일하는 것이 좋을 수도 있고, 서로 친하지 않다면 말을 걸어보는 것도 좋은 방법입니다. '좋다'는 의미가 동성***끼리만 있는 게 아니라, 그냥 사람이 좋다는 의미도 있으니까요.