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:     can I get you something to drink ?  
 Person2:  sure , but I don't drink much . So I don't know what to order .  
 Person1:      so how about an aperitif ?  
 Person2:  it sounds good . I'd like to start with a Compare .  
 Person1:      stirred or shaken ?  
 Person2:  stirred will be fine .  
 Person1:      here you are .  
 Person2:  thanks . Does the bar have a signature drink ?  
 Person1:      sure . All of our mixed drinks are excellent . You can also try a delicious non-alcoholic cocktail .  
 Person2:  can you recommend one ?  
 Person1:      try a Singer . It has lime juice and grenadine over ice .  
 Person2:  it sounds interesting . I'll take one .  
 Person1:      here we go .  
 Person2:  it tastes great .  
 Person1:      enjoy yourself .  
 Person2:  yeah . 

1