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:     Would you like to book a table , sir ? 
 Person2:  Yes , would you arrange it for me the day after tomorrow ? 
 Person1:      Sure , when ? 
 Person2:  Six o'clock in the afternoon . 
 Person1:      For how many guests , please ? 
 Person2:  Six . 
 Person1:      How much would you like to spend ? 
 Person2:  We don't care about money . We'd like to have some good dishes of local specialties . 
 Person1:      OK . 
 Person2:  How many courses are there altogether , please ? 
 Person1:      Eight . 
 Person2:  Could you tell me some of entrees about the dinner ? 
 Person1:      Sure . The main courses are roast Beijing duck and fried eel slices . 
 Person2:  Very good . 

1