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:       Hi , Mary , I didn't see you at work this morning . Are you all right ?  
 Person2:Oh , I feel miserable . I've got a bad cold , My head is dizzy and my nose is running .  
 Person1:        Oh , I'm so sorry to hear that . Have you seen a doctor or taken any medicines ?  
 Person2:As a matter of fact I have , The doctor said it'll go away after a day or two.He ' s prescribed me some tablets .  
 Person1:        Are you feeling better ?  
 Person2:Yes , it helps me but I just have to wait and let my system do the work .  
 Person1:        Do you need anything , grocery ?  
 Person2:Oh , no , I'm fine.My refrigerator is piled up with food.But if it's not too much trouble for you . I'd like something to read .  
 Person1:        Sure , I'll get it for you.Books or magazines ?  
 Person2:I'd like both . 

formal