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:     Good evening , sir . What can I do for you ?  
 Person2:  Good evening . Would you please offer a table far from the entrance for us ?  
 Person1:      Yes , of course . This way , please . 

1