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:     Does anyone mind me turning on the air conditioning ? It's hot in here .  
 Person2:  Actually , I prefer if you didn't . Air conditioning makes me sneeze .  
 Person1:      All right . I'm opening the window , though , is that OK ?  
 Person2:  Oh , sure . It's very stuffy in here . 

1