Sentence 1: Gina wanted to get another book from the library. 
 Sentence 3: She sat down to read the book she'd started 
 Sentence 4:  Two pages later she remembered why she hadn't finished the book 
 Sentence 5:  Gina disliked the plot and decided to returned the book half read 
 Given Sentence 2: We were running around chasing each other.