TASK DEFINITION: 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.
PROBLEM: Context : 102 Herculis (102 Her) is a star in the constellation Hercules. 
Subject : 102 Herculis 
Relation : constellation

SOLUTION: What constellation is 102 Herculis a part of?

PROBLEM: Context : Mason Carter (January 26, 1834 -- December 11, 1909) was a U.S. Army officer who served in the American Civil War and the Indian Wars during the late 19th century. 
Subject : Mason Carter 
Relation : conflict

SOLUTION: What war or battle did Mason Carter fight in?

PROBLEM: Context : Peter Joseph Osterhaus (1823--1917) was Union Army General in the American Civil War and later served as a diplomat. 
Subject : Peter Joseph Osterhaus 
Relation : military branch

SOLUTION:
Which military did Peter Joseph Osterhaus serve with?