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:     Did you see Ally Mabel last night ?  
 Person2:  Yes , I did . Did you ?  
 Person1:      Yes , wasn't it funny ?  
 Person2:  Oh yes , I loved it . Wasn't the scene with the judge great ?  
 Person1:      Ha , yes , brilliant ! 

1