Sentence 1: Amy met Jane at a family reunion. 
 Sentence 3: The girls bonded over things they both liked 
 Sentence 4:  Amy and Jane eventually talked about a cousin named John 
 Sentence 5:  They realized they were sisters! 
 Option 1: They were close in age, but weren't sure how they were related. 
 Option 2: They were close in age, and knew they were sisters.