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:     Mr.Keller , may I call at your home sometime the week ?  
 Person2:  Oh , certainly.When would you like to come ?  
 Person1:      Well , when will it be convenient for you ?  
 Person2:  This weekend would be OK with me . 

0