Task: Coherence Classification
Input (English): Sentence 1: Chris had gone to the beach. 
 Sentence 3: The lifeguards put up warning flags on the beach 
 Sentence 4:  Chris decided not to swim at the beach 
 Sentence 5:  He returned to the beach the next week 
 Given Sentence 2: The waves on the shore were very strong.
Output (English): Yes