Detailed 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'.
Problem: Person1: What do you think of the Olympic motto ' Higher , faster and stronger ' ?
Person2:Well , it's better than ' Friendship first , competition second ' .
Person1: Why ? In my opinion , it doesn't matter whether you won or not . The most important thing is participation .
Person2:I still think nobody plays for nothing .
Solution:
formal