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:     Excuse me . May I ask you some questions ?  
 Person2:  Sure . What do you want to know ?  
 Person1:      Could you please tell me how many credits would be required for a bachelor's degree ?  
 Person2:  Well , you have to get 166 credits , including required courses and optional courses .  
 Person1:      OK . And how long does it take to get a bachelor's degree ?  
 Person2:  It can be completed in four years normally .  
 Person1:      I see . Thank you very much .  
 Person2:  You're welcome . 

1