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:     Guess what ? Paul and Susan are engaged .  
 Person2:  Really ? When did that happen ?  
 Person1:      A week ago ? They met last summer and now just sink . They will be married soon .  
 Person2:  Have they set a date for the wedding ?  
 Person1:      No , not yet . But Susan says they ’ d like to get married in November or December . Then they ’ ll go to Hawaii for their honeymoon . 

1