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:     How are your parents these days ?  
 Person2:  Oh , they're fine , still very active and enjoying their retirement .  
 Person1:      Oh , good . That's nice to hear . Please give my best regards to them when you're home .  
 Person2:  Sure , thank you . 

1