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:     You are friend of Janet , right ? I am Andrew , Andrew Smith .  
 Person2:  Nice to meet you , Andrew . I am Noirin , Noirin O'Neil .  
 Person1:      I'm sorry , I didn't quite catch that .  
 Person2:  Noirin , N-O-I-R-I-N , it's an Irish name . 

1