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 do you want for your birthday from your parents ?  
 Person2:  I don't know . Maybe a pair of new shoes .  
 Person1:      Why don't you ask them to buy you a PC ? You will soon use it at college .  
 Person2:  That's a dandy idea . Thank you for reminding me . 

1