Task: Coherence Classification
Input (English): Sentence 1: George has been saving up for a new bike. 
 Sentence 3: Finally he earned enough money 
 Sentence 4:  He went to the store to get his bike 
 Sentence 5:  Now all of his friends are jealous of his new bike 
 Given Sentence 2: They had been out until 3 AM, but no one knew.
Output (English): No