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:     We have a variety of trousers . Which one do you like best ?  
 Person2:  I want to buy one to match my shirt.Can you give me some advice ?  
 Person1:      What about this one ?  
 Person2:  Yes , they seem to be my size and go with my shirt quite well . I will take it . 

1