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 are your plans for this weekend ? 
 Person2:  I'd like to hire a bike . I think it would be a good idea to do some cycling on Sunday . 
 Person1:      If the weather's fine . 
 Person2:  I am sure it will be . It's been good so far this weekend . 
 Person1:      I know a good place to hire bikes if you want . 
 Person2:  Thanks . That would be really helpful . 
 Person1:      But remember , be careful when you ride a bike . The traffic in Beijing can be dangerous . 

1