Task: Coherence Classification
Input (English): Sentence 1: Dan and his wife Mary went on a week's vacation. 
 Sentence 3: Dan slipped down to the casino one night while Mary slept 
 Sentence 4:  Dan lost several hundred dollars while gambling 
 Sentence 5:  Mary hasn't spoken to Dan since! 
 Given Sentence 2: They decided to go to Las Vegas to see shows and relax.
Output (English): Yes