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:     Do you know the highest mountain in the world ?  
 Person2:  Yes . It is Everest , also called Zhumulangma in China . It is 8,844 . 43 meters above the sea level .  
 Person1:      Wow ! That must be really awesome to stand on the top of the mountain to overlook the earth .  
 Person2:  Actually , it is impossible because the mountain is covered with snow all year around . And is has heavy fog for most of the time .  
 Person1:      Have people set foot on its peak ?  
 Person2:  Yes , it has been conquered by many people in history . 

1