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:     Are you a newcomer ?  
 Person2:  Yeah , this is my first visit here .  
 Person1:      You speak good English , though .  
 Person2:  Thanks , but I speak English with a strong German accent .  
 Person1:      But let me tell you , you're doing just fine . I couldn't do half as well as you do when I was learning German . By the way , how long have you been learning English ?  
 Person2:  On and off , for quite a few years . 

1