Sentence 1: Olive was reading a thriller book when she heard a noise outside. 
 Sentence 3: She looked through the peephole but saw no one 
 Sentence 4:  She called out but no one answered 
 Sentence 5:  Reassured, she went back to her reading, feeling foolish 
 Option 1: She jumped out of her couch and went to the door but will never go back to her reading. 
 Option 2: She jumped out of her couch and went to the door.