Sentence 1: Brittany's parents split up when she was in middle school. 
 Sentence 3: They wanted Brittany to decide which parent she wanted to live with 
 Sentence 4:  It was an impossible decision for her to make 
 Sentence 5:  Brittany ended up splitting her time between both homes 
 Option 1: Her parents moved to two different places. 
 Option 2: They were reunited after a year.