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 have wool socks ?  
 Person2:  Yes . We have socks made of various materials . These socks are of imported wool .  
 Person1:      Can you guarantee the quality ?  
 Person2:  Yes , absolutely .  
 Person1:      Where are the panty-hose ?  
 Person2:  Here . We have black , white and transparent panty-hose here . 

1