Teacher:In this task, given a sentence in the English language, your task is to convert it into the Japanese language.
Teacher: Now, understand the problem? Solve this instance: "For four-and-a-half years, he was an integral part of the team that worked to complete this vital link for our community."
Student:
「4年半の間、彼は、私たちのコミュニティにとって極めて重要な連結部分を完成させることに取り組んだチームの不可欠な存在でした」