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:     Have you any beef today ? 
 Person2:  Yes , we've got a very tender new shipment from the mainland . It is a weekend special . 
 Person1:      How much is it a pound ? 
 Person2:  One pound and fifty pence a pound . 
 Person1:      Good . I'll get three pounds of it . 
 Person2:  Here it is . Four pounds and fifty pence in all . 

1