Task: Coherence Classification
Input (English): Sentence 1: Kelly adopted a dog from the pound. 
 Sentence 3: Kelly wondered why the dog looked like this 
 Sentence 4:  One day, the dog gave birth to five puppies 
 Sentence 5:  Kelly realized this is why the dog was so fat 
 Given Sentence 2: The dog looked a little overweight.
Output (English): Yes