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 ’ Ve decided to go to the cinema alone this evening .  
 Person2:  What has caused you to make such a decision ? Didn ’ t you used to go with Helen ?  
 Person1:      Helen is nice but she talks a lot .  
 Person2:  Oh . That ’ s really annoying when seeing a film .  
 Person1:      It sure is . 

0