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:     Why not go to the supermarket today , the coupon will be past due in three days .  
 Person2:  Sure . Can we use it in Today Supermarket ?  
 Person1:      Let me check . Yes , we can .  
 Person2:  I really don't know what to buy . 

0