Task: Coherence Classification
Input (English): Sentence 1: Jill was swimming in the ocean. 
 Sentence 3: She looked down and her bikini top was gone 
 Sentence 4:  Her friend Lila saw it floating out to shore 
 Sentence 5:  She swam to it and gave it back to Jill before anyone else noticed 
 Option 1: The waves were very calm and small. 
 Option 2: A big wave crashed down on her.
Output (English): Option 2