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:     What's the date today Mr.Brown ? I don't have a calendar .  
 Person2:  Today is Tuesday , 25th September , 2001 .  
 Person1:      25th Sep ? Oh , I have an appointment tonight .  
 Person2:  What time is your appointment ?  
 Person1:      It is at 8 o'clock .  
 Person2:  What time is now ? Do you have the correct time ?  
 Person1:      I don't know what time it is .  
 Person2:  It must be about 6 o'clock .  
 Person1:      I have to go now . I don't want to be late .  
 Person2:  You won't be late . It's still early . 

1