Task: Coherence Classification
Input (English): Sentence 1: Keith was a restaurant critic. 
 Sentence 3: It was half an hour before Keith was waiting on 
 Sentence 4:  The food was only mediocre 
 Sentence 5:  Keith didn't give the restaurant a good review 
 Given Sentence 2: They were in the pet store buying some dog food.
Output (English): No