Teacher:In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Teacher: Now, understand the problem? Solve this instance: Context: Ogasawara served in combat during the First Sino-Japanese War Link Information: Ogasawara continued to serve on the General Staff as a naval intelligence officer through the Russo-Japanese War and World War I, Question: Which war that Naganari served in was the longest in duration?
Student:
Answer: World War I