Task: Coherence Classification
Input (English): Sentence 1: Julie wants to start losing weight and gaining muscle faster. 
 Sentence 3: While having a trainer is expensive, Julie is happy with the results 
 Sentence 4:  She finds herself becoming much stronger than she thought possible 
 Sentence 5:  Julie sends her trainer a special thank you note 
 Option 1: She decides to buy a book that shows good exercises for the gym. 
 Option 2: She decides to hire a personal trainer to work with her at the gym.
Output (English): Option 2