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:     Can I help you , madam ?  
 Person2:  Yes , can I see a few T-shirts , Please ?  
 Person1:      Certainly.Here you are.They ' re the very latest fashion .  
 Person2:  I'm not very particular about the design.But I want something of good quality .  
 Person1:      They're of good cotton and the color never fades . 

1