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:     How much is this shirt , please ?  
 Person2:  It's 89 yuan .  
 Person1:      Do you have it in a larger size ?  
 Person2:  Let me check . 

1