Task: Coherence Classification
Input (English): Sentence 1: Hari was getting old and stiff. 
 Sentence 3: He enrolled in yoga class 
 Sentence 4:  At first, he was the worst yogi at the yoga class 
 Sentence 5:  But, after many years he became one of the best yogis! 
 Given Sentence 2: He decided to take care of his health.
Output (English): Yes