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:     Do you want to buy a sweater ?  
 Person2:  Yes . Which one is the latest ?  
 Person1:      The cowl-neck pullovers are new in . It sells like hot cakes .  
 Person2:  It's my style . Will it be resistance to balling ?  
 Person1:      Of course . The brand is Bird and it's famous for its quality . 

1