You will be given a definition of a task first, then some input of the task.
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: Did you make it to school today ?
Person2:I always do . Did you go to school today ?
Person1: No , I didn't .
Person2:You should have , but have you seen any movies lately ?
Person1: That was an odd change of subject .
Person2:Maybe it was , but answer the question .
Person1: No , not recently .
Person2:I want to go to see a movie this weekend .
Person1: What's stopping you then ?
Person2:I don't want to go alone .
Person1: So , will you be at school tomorrow ?
Person2:No , I want to go to the movies instead .
Output:
formal