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 weather today ? 
 Person2:  It's fine today . 
 Person1:      What was the weather like yesterday ? 
 Person2:  It rained all day yesterday . The weather was awful last week . 
 Person1:      What will the weather be like tomorrow ? 
 Person2:  It's going to be sunny tomorrow . 

1