Task: Coherence Classification
Input (English): Sentence 1: Polly was worried when her house cat escaped into the yard. 
 Sentence 3: A few hours later she reappeared with something in her mouth 
 Sentence 4:  She had bought the family a mouse as a gift 
 Sentence 5:  She dropped it at Polly's feet, looking proud 
 Given Sentence 2: A thunderstorm blew in.
Output (English): No