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:       Good morning , is this Ryan ?  
 Person2:You are speaking with Ryan . How can I help you ?  
 Person1:        Ryan , this is Malia , and I need to call in sick today .  
 Person2:What seems to be the problem ?  
 Person1:        I went hiking and have terrible poison oak .  
 Person2:When did you get that ?  
 Person1:        I think I got it on Saturday , but it just showed up today .  
 Person2:What are you doing for it ?  
 Person1:        The doctor prescribed an ointment and gave me a shot .  
 Person2:Good . You probably should be much better by tomorrow . 

formal