Task: Coherence Classification
Input (English): Sentence 1: Zack was at work making some lunch. 
 Sentence 3: He checked and saw two coworkers fighting 
 Sentence 4:  It looked like it might get violent so Zack intervened 
 Sentence 5:  The instigator of the fight was fired 
 Given Sentence 2: Suddenly, he heard yelling.
Output (English): Yes