Sentence 1: Jack was a marine. 
 Sentence 3: One day a fellow soldier was asking him about his decision to join up 
 Sentence 4:  Jack said his father was a marine, as was his grandfather 
 Sentence 5:  Jack believed it was what the men in his family were supposed to do 
 Option 1: He was dishonourably discharged and had to find a new job. 
 Option 2: He was deployed to a foreign country to keep the peace.