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: I hear Jean married a business tycoon .
Person2:That's true . Her husband is a fat cat .
Person1: But I don't think she really loves him .
Person2:She is only after his money .
Person1: If I were her , I wouldn't marry a man I don't really love .
Person2:But many girls nowaday do want to marry a man filthy with dough .
informal