Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.
Input:  Person1:       Life's so boring .  
 Person2:Well , most of the time it is , I guess .  
 Person1:        What do you think will make you happy ?  
 Person2:I think money will make me happy .  
 Person1:        You heard people say that money doesn't guarantee happiness .  
 Person2:It will for me . Then I can do all the things I want to do .  
 Person1:        You'll get bored eventually .  
 Person2:Then I can find something new to do . If I don't have to worry about money , then I don't have to work .  
 Person1:        That's true , I guess . If I didn't have to work , I think I would be happy .  
 Person2:You see ... money doesn't equal happiness , but it takes away a lot of responsibilities . 

formal