Task: Coherence Classification
Input (English): Sentence 1: The police visited the school yesterday. 
 Sentence 3: The policeman showed us his gun and nightstick 
 Sentence 4:  Policemen are really cool 
 Sentence 5:  I want to be one when I grow up! 
 Option 1: They were searching all the lockers for drugs. 
 Option 2: They taught us about safety and rules.
Output (English): Option 2