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:       Jared , I just heard about your father . How is he doing ?  
 Person2:He's in the hospital resting . The doctor's didn't give a clear answer yet .  
 Person1:        I'm so sorry to hear that . But this is a good hospital . I'm sure they will do whatever they can .  
 Person2:I hope so .  
 Person1:        You must feel really worried right now . But you know your dad is a fighter .  
 Person2:Yeah . I think my mom is the most worried . I'm basically worried about how she is doing .  
 Person1:        Where is she right now ?  
 Person2:She's in the hospital with my dad . I have to go back tonight .  
 Person1:        Hey , I'll go with you .  
 Person2:You don't have to .  
 Person1:        It's really no problem .  
 Person2:Ok . Let's go right after dinner . 

formal