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'.

[Q]: Person1: You look very professional in the suit .
Person2:The company regulates that men should wear a suit and tie in business meeting . Company policy is not negotiable .
Person1: I appreciate it . It is related to company image .
[A]: informal

[Q]: Person1: How do you like your work ?
Person2:The work is rather hard , but it's interesting .
Person1: What do you do ?
Person2:I work in a publishing house . How about you ?
Person1: Mine isn't hard , but it's not interesting .
Person2:What do you do then ?
Person1: I'm a clerk in a shop .
[A]: formal

[Q]: Person1: May I take your order now ?
Person2:Yes , I'll have a boiled egg with toast and orange juice , please .
Person1: How would you like your eggs ?
Person2:Hard-boiled , please .
Person1: And your toast , light or dark ?
Person2:Dark , please .
Person1: Now or later ?
Person2:Later will do .
Person1: Will there be anything else ?
Person2:No , that's all . Thanks .
Person1: One hard-boiled egg with toast and orange juice to follow .
Person2:That's right .
Person1: Just a moment , please .
[A]:
informal