Task: Coherence Classification
Input (English): Sentence 1: Fran wanted to be more flexible. 
 Sentence 3: With determination and discipline she practiced postures every day 
 Sentence 4:  Fran became so skilled she was able to open her own yoga studio 
 Sentence 5:  She enjoys teaching others how to be more flexible 
 Given Sentence 2: She bought a book on yoga.
Output (English): Yes