Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     In my opinion , it may be necessary to charge for participation .  
 Person2:  I'm not sure if that would be wise .  
 Person1:      Then what is your opinion ?  
 Person2:  Well , maybe we'll go to ask Mr . Johnson . He has the final say . 

0