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 kind of permanent would you like to have ?  
 Person2:  What kinds do you have ?  
 Person1:      Oh , we have quite a regular , cold perm , straight perm , pin curl and foam .  
 Person2:  Last time I tried a pin curl perm and a foam permanent . Set the wave a little looser than usual , please . 

1