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 am looking for a pan . 
 Person2:  No problem . What size would you like ? 
 Person1:      A big one would be nice . 
 Person2:  How about this one ? It's our biggest — 16 ' in diameter . 
 Person1:      Oh , yes , I like that one , but it's too heavy . 
 Person2:  Okay , try this one . It's made of aluminum . 
 Person1:      Oh , yes ! This is much better . But it has an aluminum handle . 
 Person2:  Here you go . Same pan , but with a state-of-the-art , heat-resistant plastic handle . 
 Person1:      Yes . That's perfect . I'll take it . 
 Person2:  Great . Will that be cash or charge ? 
 Person1:      Oh , wait a minute . What about a lid for the pan ? 
 Person2:  I'm sorry . I forgot to show you the lid . It comes with the pan . 

0