Task: Coherence Classification
Input (English): Sentence 1: Mary is walking home. 
 Sentence 3: They take her purse 
 Sentence 4:  They run off 
 Sentence 5:  Mary tries to run to catch them but cannot catch them 
 Option 1: She gets a campus escort for protection. 
 Option 2: Marry feels someone grab her.
Output (English): Option 2