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:     What would you like for dessert ?  
 Person2:  What do you have ?  
 Person1:      I have apple pie , ice cream , chocolate cake and fruit cocktail .  
 Person2:  Can I have apple pie with ice cream ?  
 Person1:      Of course . I made the apple pie this morning , so it ’ s lovely and fresh .  
 Person2:  I love your home-made apple pie.It ’ s delicious.Can I have another glass of lemonade as well ?  
 Person1:      Sure.Can you get it yourself , it ’ s in the refrigerator .  
 Person2:  Ok.Would you like a drink too ?  
 Person1:      Yes , I ’ ll have an ice tea.You see it next to the lemonade .  
 Person2:  Are you having any dessert ?  
 Person1:      I ’ ll have apple pie too , but without ice cream . I have to watch my weight . 

1