Given the task definition and input, reply with output. 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'.

Person1: Ugh . Another advertisement . They ' Ve added two hours of advertisements to a two hours movie .
Person2:Yeah . We ' re never going to get to the end of this one .
Person1: Why are we watching it anyway ?
Person2:Well , it does have a lot of girls in it .
Person1: True . True .
Person2:Do you think Bruce Willis just drank a Coke for his health ?
Person1: Really ? Did Coke pay him for that ?
Person2:Of course .
Person1: You want something to drink ?
Person2:Yeah , Got a Coke ?
Person1: Sure .
Person2:Hurry , the movie is coming back on .
informal