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 , can you set the table ? 
 Person2:Um , sure . What are we having for dinner ? Do I need to put out anything in particular ? 
 Person1:        Well , make sure to put out the pepper and salt shakers . I don ’ t know if your brother is coming tonight so set an extra place mat just in case . 
 Person2:Ok , should I use the fancy silverware ? 
 Person1:        Yeah go ahead , forks , spoons and knives . I roasted some meat so be sure to put out some steak knives as well . 
 Person2:I ’ ll also set some cups and saucers for some coffee after dinner . 
 Person1:        Honey ? Have you seen our soup bowls ? 
 Person2:They are in the cupboard where you keep the gravy boat and serving dishes . Just be careful because the wine glasses are also there . 
 Person1:        Oops ! 

informal