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:     When do you celebrate Thanksgiving ? 
 Person2:  On the fourth Thursday of November . 
 Person1:      What do you eat on that day ? 
 Person2:  People cook turkeys for Thanksgiving dinner . 
 Person1:      Anything else ? 
 Person2:  Besides the turkeys , we'll also have other delicious food . Such as pumpkin pies , puddings , mashed potatoes , bread , a lot of fresh fruits and vegetables . 
 Person1:      I'm almost hungry . 

1