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:       Hello . I was wondering if Taylor Smith has checked out yet ?  
 Person2:Just one moment . I'll check with the cancer ward desk .  
 Person1:        The cancer ward ! ? Oh , my . It's worse than we thought .  
 Person2:Ma'am , I'm sorry . The cancer ward said Mr . Smith passed away two days ago .  
 Person1:        That's impossible ! I'm talking about Mister Taylor Smith .  
 Person2:Yes , ma'am . He died from complications of stomach cancer . I'm very sorry .  
 Person1:        I'm really sick ! 

informal