Definition: 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:       What a wonderful game ! 
 Person2:Yes , the weather is wonderful , the game is wonderful and the players are wonderful . 
 Person1:        I think John is the best player on the field . 
 Person2:He certainly is . He is the Peckham in our collage . 
 Person1:        Maybe he shouldn ’ t come to collage , he should become a football star . 

informal