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:     What's the temperature today ?  
 Person2:  It's about 5 degrees centigrade .  
 Person1:      What's the weather forecast for tomorrow ?  
 Person2:  The weatherman says it's going to snow tomorrow .  
 Person1:      Are you used to the climate here ?  
 Person2:  I think I'll soon get used to it .  
 Person1:      What is the average temperature of Beijing ?  
 Person2:  lt's about 180C , but in winter the temperature may fall to 10-15 degrees below zero . And we have a long winter .  
 Person1:      Which season do you like best ?  
 Person2:  I prefer spring when little by little everything becomes green and the weather is almost always nice . 

1