Sentence 1: The library at Ben's town was hosting a readathon for prizes. 
 Sentence 3: He started reading books right away 
 Sentence 4:  By the end of the month he had read 52 different books 
 Sentence 5:  A few days later, he learned that he won the the prize! 
 Given Sentence 2: Jason pressed the buzzer since he knew the answer.