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:     We should keep Frank at arm's length .  
 Person2:  Yeah . He's known as a sly dog . He's done many people in .  
 Person1:      He hits below the belt .  
 Person2:  And he may cash in on people whenever chances are provided . 

0