Task: Coherence Classification
Input (English): Sentence 1: Evan had been saving for years. 
 Sentence 3: Evan was so proud of his new car 
 Sentence 4:  He showed it off around town 
 Sentence 5:  Evan knew he looked cool in the new car 
 Given Sentence 2: He went to the dealership and bought a really fancy BMW.
Output (English): Yes