Sentence 1: Clara loved math class and often raised her hand. 
 Sentence 3: He told her not to raise her hand so much, to let others have a turn 
 Sentence 4:  Clara never raised her hand in that class again 
 Sentence 5:  She decided that she loved English class instead 
 Option 1: However, one day she forgot to raise her hand, and her teacher sighed. 
 Option 2: One day she raised her hand, and her teacher sighed.