Sentence 1: Amy had a new job at a grocery store. 
 Sentence 3: Amy was not prepared for a job standing for hours 
 Sentence 4:  She also was twisting her torso as she rang groceries 
 Sentence 5:  At the end of the first week Amy's whole torso was sore 
 Given Sentence 2: She thought it was going to be an easy job.