Instructions: 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'.
Input: Person1: Excuse me . When is breakfast time ?
Person2:From 6:00 to 9:00 .
Person1: Well , I would like to order breakfast for tomorrow coming .
Person2:Certainly , Sir . What would you like to have ?
Person1: Please give me two fried eggs , two orders of toast and a cup of coffee .
Person2:Fine.Have a nice stay here .
Output:
formal