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:       Morning , Mom .  
 Person2:I made a doctor's appointment for you .  
 Person1:        No , I'm fine . I don't need to see a doctor .  
 Person2:Then I guess you're healthy enough to clean your room before school .  
 Person1:        OK . I'll go see the doctor .  
 Person2:Bundle up . It's wet and rainy out there . Here's some soup .  
 Person1:        Chicken soup again ?  
 Person2:Soup does the body good , sweetie . It's what you need when you're under the weather . 

formal