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 did you say ? 
 Person2:  I said it's a lovely day . Why don't we go for a walk ? 
 Person1:      Well , I feel a little tired . 
 Person2:  Come on ! A little labor , much health . 
 Person1:      Then can you wait a few minutes ? I want to finish writing this letter . 
 Person2:  Don't take too long . It would be a shame not to take advantage of such lovely weather . 
 Person1:      I won't be long . No more than ten minutes . Why don't you go ahead and I'll meet you in the park ? 
 Person2:  I Believe I will . Look for me near the lake . 

1