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:     I finally went out to dinner with him last night . 
 Person2:  Just the two of you ? 
 Person1:      Yup . 
 Person2:  Where did you go ? 
 Person1:      True , a sea food restaurant . 
 Person2:  True ? The food is terrible . 
 Person1:      I didn't notice . I don't really even know what I ate . 
 Person2:  Really ? 

1