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:     Lousy weather , isn't it ?  
 Person2:  It has stopped snowing , but it's even colder .  
 Person1:      Look at the ice there hanging from the eaves .  
 Person2:  And the streets are covered with snow .  
 Person1:      Do you know what the temperature is today ?  
 Person2:  I missed today's weather forecast over the TV .  
 Person1:      It feels like ten degrees below zero at least . I don't mind the cold weather but I do hate it when it gets slippery .  
 Person2:  The ice will soon be thick enough for skating . I am so fond of winter sports .  
 Person1:      That's great . Let's go skating together tomorrow . 

1