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:     Hello . Could I speak to Justin , please ?  
 Person2:  Speaking .  
 Person1:      Oh , hi Justin . This is Karen Hepburn.We met at Chris and Jim's party .  
 Person2:  Of course . How're you ?  
 Person1:      Great . Uh , Justin , would you like to see Otis Lesley on Thursday night ? He's at the Kangaroo Club .  
 Person2:  I'm sorry , Karen , but I can't . I have to work late this Thursday .  
 Person1:      Oh ... that's too bad .  
 Person2:  Yeah . I really like Lesley .  
 Person1:      Actually , are you doing anything on Friday or Saturday ? He's playing those two nights as well .  
 Person2:  Well , I can't make it on Friday either , but I'm free on Saturday night . What time does it start ?  
 Person1:      At eight sharp.How about meeting in front of the club at about a quarter after seven ?  
 Person2:  That sounds perfect.And let's go out for coffee after the show .  
 Person1:      Sure !  
 Person2:  See you at seven fifteen , Saturday . 

0