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: You don ' t look like enjoying this workout .
Person2:I ' m not crazy about it at all .
Person1: You don ' t like this sort of exercise ?
Person2:I ' m not interested in it . Are you keen on it ?
Person1: Yes , that ' s funny . I thought you liked it .
Person2:I hate it .
Person1: Never mind . It ' ll be over in 10 minutes .
Person2:It ' s the worst thing I ' Ve ever tried .
informal

Person1: I'm quite upset ! I want a new room and a refund for tonight .
Person2:Forgive me , sir , I haven't been told what the problem is .
Person1: I'm about to be swept away by millions of cockroaches !
Person2:My apologies , sir . We'll transfer you to a new room at once and give you a full refund .
Person1: Thank you . I didn't want to have to take this to court .
Person2:Sir , we never want a guest to stay here mad or unhappy .
informal

Person1: Joseph , who is that woman ?
Person2:That's Susan .
Person1: What does she do for work ?
Person2:She's a lawyer .
Person1: Is she American ?
Person2:No , but she speaks English fluently .
Person1: She's really tall . Do you know her ?
Person2:Yes , I know her . We're friends .
Person1: Who's that man standing next to her ?
Person2:Which man ?
Person1: That short guy on her right . What's his name ?
Person2:Oh , that's Matt .
Person1: He's really good looking .
Person2:Yeah .
Person1: Do you know him ?
Person2:I don't know him , but I think my sister does .
Person1: Is he married ?
Person2:Yes , he's married .
Person1: I remember now . I met him before .
informal