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:       Our son is gone and my heart is gone too . I don ’ t know how to spend the rest of my years .  
 Person2:Oh , darling , we must stand shoulder to shoulder and face the music . I know you can pull yourself together .  
 Person1:        I feel life is meaningless without him .  
 Person2:Cheer up . You have got me at least . 

informal