Task: Coherence Classification
Input (English): Sentence 1: A new doctor was trying on his new lab coat for his first day. 
 Sentence 3: He tried to scrub it out but to no avail 
 Sentence 4:  From that day on, he was known as Doctor Spot 
 Sentence 5:  He never liked that name 
 Given Sentence 2: There was a bright green spot on his pristine coat.
Output (English): Yes