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: What do you think of the play showed last night ?
Person2:I think there's too much violence and it did no good to my little boy .
Person1: Yes , I turned it off when the fight got heated in it .
Person2:It's really hard to avoid such bad influence anyway .
formal