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:       Old Dyson looks as if he maybe kick the bucket any day .  
 Person2:Why do you say that ?  
 Person1:        I ’ Ve ever seen a living being looked so thin .  
 Person2:Really ? In my eyes it ’ s normal , as an old man , to be thin is better than to be fat .  
 Person1:        Maybe you are right . 

informal