Task: Coherence Classification
Input (English): Sentence 1: Aya loved martial arts. 
 Sentence 3: She started as a white belt, the lowest level 
 Sentence 4:  But soon she advanced rapidly 
 Sentence 5:  Soon Aya was a black belt, and a skilled combatant! 
 Option 1: She signed up for boxing. 
 Option 2: She signed up for karate lessons.
Output (English): Option 2