Sentence 1: Samantha was really motivated to do well on her economics test. 
 Sentence 3: The first thing she did was get a tutor to help her study 
 Sentence 4:  Samantha studied in the library for hours 
 Sentence 5:  Samantha was able to pull off an A on her final 
 Option 1: She wanted to become a accountant. 
 Option 2: She needed to get a B on her final to pass.