Task: Coherence Classification
Input (English): Sentence 1: Helen was riding a roller coaster with some friends. 
 Sentence 3: The entire time, she cowered behind her hands 
 Sentence 4:  When everyone realized she was scared, they apologized 
 Sentence 5:  They promised not to go on rides like that anymore 
 Given Sentence 2: They didn't know but she was terrified of the ride.
Output (English): Yes