Teacher:You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.
Teacher: Now, understand the problem? Solve this instance: Context : The Gewehr 98 action, using stripper clip loading with the powerful 7.9257mm Mauser cartridge, introduced advanced infantry weapon features rapidly adopted in the Anglo-American Pattern 1914 Enfield/M1917 Enfield and the Japanese Arisaka Type 38/Type 99.
Subject : Gewehr 98
Relation : service entry
Student:
What year did Gewehr 98 come into use?