Sentence 1: My friend Ben fought in WW2. 
 Sentence 3: He heard classical music playing in a house, and identified the piece 
 Sentence 4:  The owner was impressed by his knowledge 
 Sentence 5:  She let Ben's squad stay in her house for the night 
 Option 1: He was stationed in the US for most of it. 
 Option 2: He was in France once.