Task: Coherence Classification
Input (English): Sentence 1: Tina had been reading a book for a long time. 
 Sentence 3: Two weeks later she still was not done 
 Sentence 4:  She had fifty pages left 
 Sentence 5:  When the power went out that gave her an excuse to finish it 
 Given Sentence 2: They decided to buy one for him.
Output (English): No