You will be given a definition of a task first, then some input of the task.
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'.

 Person1:       May doesn't get along very well with her mother-in-law .  
 Person2:Yeah . That's just what is troubling John .  
 Person1:        Poor John ! He is bettering bother sides of this bread .  
 Person2:This situation isn't easy to handle . 
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
informal