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:     Hey ! Ask your mom for more old pictures , OK ?  
 Person2:  Can't it wait ? She's still angry that we sent e-mail wedding invitations .  
 Person1:      But we saved your parents so much money ...  
 Person2:  I know . And they're spending enough on the plane tickets to Texas !  
 Person1:      Speaking of plane tickets , don't forget to check on the reservations !  
 Person2:  OK . 

0