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:     Great party , isn't it ? 
 Person2:  Yeah , really , jane and ted always have great parties . 
 Person1:      This is my first , I only met jane last week . she and I teach at the same school . 
 Person2:  Oh , so you're a teacher . 
 Person1:      Yeah , history , what about you ? 
 Person2:  I'm in the car business . 
 Person1:      Salesman ? 
 Person2:  Yes , that's right . 
 Person1:      Oh , I see , by the way , my name's Mary . 
 Person2:  Nice to meet you , I'm jim taylor . 

1