instruction:
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'.
question:
Person1: Our philosophy teacher is very humorous .
Person2:I usually have the wrong notion that he's very serious .
Person1: No , not at all.The examples he gives are very interesting .
Person2:No wonder when I pass your room , I always hear your laughter .
answer:
informal

question:
Person1: Tell me about how you work here .
Person2:We work in teams . There are about four to six people in each team . I'm training to be a team leader . Each team member is responsible for the quality of the goods we produce . We are multi-skilled so we can rotate jobs . I like that . It stops the work getting boring .
answer:
formal

question:
Person1: Oh , they all went out ! Did you make a wish ?
Person2:Yes , but I doubt if I get it . I've never got it .
Person1: Better luck this time !
answer:
formal