TASK DEFINITION: Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.
PROBLEM: Context : James Mitchell Varnum was born in Dracut, Massachusetts. 
Question : What military organization did James Mitchell Varnum belong to?

SOLUTION: military branch

PROBLEM: Context : American astronomer Adriaan van Maanen, Van Maanen 2 was the third white dwarf identified, after 40 Eridani B and Sirius B, and the first that was not a member of a multi-star system. 
Question : What constellation is where Van Maanen 2 is?

SOLUTION: constellation

PROBLEM: Context : Body of War is a 2007 documentary portraying Iraq War veteran Tomas Young. 
Question : Who was Body of War was directed by?

SOLUTION:
director