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:     Hello , George ! Haven't seen you for some time.Where have you been ?  
 Person2:  I've been away in Paris for the last two month.Glad to see you again.How are you doing ?  
 Person1:      Very well.Thank you.Did you have a good time there ?  
 Person2:  Yes , I had a wonderful time . 

1