Task: Coherence Classification
Input (English): Sentence 1: Chad decided he wanted to lose weight. 
 Sentence 3: After working out for several months, Chad started to notice 
 Sentence 4:  He was getting buffer and more leaner 
 Sentence 5:  This raised Chad's confidence ten fold 
 Given Sentence 2: So he went on a diet and started exercising.
Output (English): Yes