Sentence 1: Tim hated working his job as a customer support representative. 
 Sentence 3: He had received a call from a woman upset about her laptop 
 Sentence 4:  She was furious and cursed him over the phone 
 Sentence 5:  Tim escalated the situation to his manager who refunded the woman 
 Given Sentence 2: He was especially busy today and late on his work.