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:     Shall we have two tickets for for seven thirty ?  
 Person2:  Yes , Would you like to have the seats in the front or at the back ?  
 Person1:      In the front , please . 

0