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:     Would you like to order now ?  
 Person2:  Yes , can you recommend some steak ?  
 Person1:      Sure . I think pepper steak is quite good . Many guests like it very much .  
 Person2:  OK I will try it . Do you have a small portion ? I am afraid I can't finish the large one .  
 Person1:      Yes madam . I will give you the small one . 

1