Sentence 1: It was Sunday so the man had to walk to work. 
 Sentence 3: Also, he had to walk through a part of town which was not the best 
 Sentence 4:  He saw somebody off in the distance, walking towards him 
 Sentence 5:  It was a little old woman so he felt some relief 
 Given Sentence 2: He hated having to leave so early in the morning.