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:     Did you get a nice tree ?  
 Person2:  Sure did . It's a beauty . Where do you want it ?  
 Person1:      Let's put it over there .  
 Person2:  Let's go to work . We want to have the tree ready to light up by evening .  
 Person1:      Let's string the lights first.Then we won't have to mess up the decorations .  
 Person2:  Hand me some globes and paper flowers , I'll put them on these top branches .  
 Person1:      There , ... we're about done .  
 Person2:  Let's switch the lights on .  
 Person1:      OK . Here goes .  
 Person2:  Well , I guess we're all set for another merry Christmas . 

1