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 subject do you like best ?  
 Person2:  English is my favorite .  
 Person1:      No wonder your English is so good .  
 Person2:  Thank you . 

1