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:       Honey , wait ! I've sprained my ankle .  
 Person2:Oh , my god , are you OK ?  
 Person1:        Of course not !  
 Person2:Come on , sit down , and let me have a look .  
 Person1:        The pain is killing me .  
 Person2:I told you to wear running shoes . But you don't listen .  
 Person1:        I thought leather shoes will do just as well .  
 Person2:Hold on , don't move , I will take care of that .  
 Person1:        What are you going to do ?  
 Person2:I will get some ice , and put it on your ankle.How does that feel ?  
 Person1:        God ! It's freezing !  
 Person2:Be brave . Don't worry . You will be able to walk soon . 

informal