Sentence 1: Jen lost the use of her legs five years ago. 
 Sentence 3: She skulked in her apartment all week 
 Sentence 4:  Until one day, the fire alarm went on 
 Sentence 5:  Without realizing it, she stood up and ran to the door 
 Option 1: When the doctors told her she could still walk, she didn't believe it. 
 Option 2: She fell down a cliff while hiking.