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:     May , look , what's that in the cage ?  
 Person2:  Don't you know that ? It's panda .  
 Person1:      Of course I know . I just can't see it very well .  
 Person2:  OK , then put on your glasses , and do you know what does the panda eat ?  
 Person1:      Of course , Bamboo !  
 Person2:  That's right .  
 Person1:      I also know they are given to other countries as gifts for friendship .  
 Person2:  You sound quite knowledgeable .  
 Person1:      Not really , panda is my favorite animal .  
 Person2:  Actually , it likes milk too .  
 Person1:      Any way , in a word , panda is our friend .  
 Person2:  Do you know other famous animals in the world ?  
 Person1:      Yeah , let me think , the kangaroo and koala bear from Australia are very famous .  
 Person2:  That's right . OK , let's move on . 

1