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:     Mr . Smith , welcome to our factory . 
 Person2:  I've been looking forward to visiting your factory . 
 Person1:      You'll know our products better after this visit . 

0