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:     Nice and warm again , isn ’ t it ?  
 Person2:  Oh , it ’ s lovely . Think of the nasty weather we had last week .  
 Person1:      How are you these days ?  
 Person2:  Fine , thank you . And you ?  
 Person1:      Fine today , though a bit under the weather last week . 

1