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 learned of the railway accident only this morning . 
 Person2:  A really dreadful accident and many people were killed . 
 Person1:      Is that true ? 
 Person2:  Yeah , well , I fill you in one the details later . 
 Person1:      Thanks . 

0