Task: Coherence Classification
Input (English): Sentence 1: Tom was prepping for a party. 
 Sentence 3: Right when he had one full a friend snuck up from behind 
 Sentence 4:  They popped a balloon right by Tom's ear 
 Sentence 5:  Tom freaked out and jumped up 
 Given Sentence 2: He was helping friends inflate balloons.
Output (English): Yes