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: Did you watch the old-fashioned wrestling game last night ?
Person2:Yes , of course . And I'm amazed the those karate and judo boys were so helpless before the wrestlers .
Person1: You bet . The wrestlers had got sound defences and they simply couldn't make it .
Output:
informal