Sentence 1: Sonia had a bad limp when she walked. 
 Sentence 3: When she was late one day, she had to run 
 Sentence 4:  But because of her limp, she felt silly 
 Sentence 5:  She was reassured when her friend came over and helped her along 
 Option 1: She recently twisted her ankle. 
 Option 2: She was very self-conscious and didn't want to look foolish.