Task: Coherence Classification
Input (English): Sentence 1: Sam was interested in buying a new digital camera. 
 Sentence 3: He decided he wanted to get a Sony DSLR camera 
 Sentence 4:  He saved up for months to purchase it 
 Sentence 5:  Sam was finally able to order his Sony camera after a few months 
 Option 1: She looked all over the internet for reviews. 
 Option 2: She looked all over the books for reviews.
Output (English): Option 1