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:       He's honest , hardworking and responsible . I simply can't find any shortcoming of his as an employee .  
 Person2:I rather doubt it.You ' re cheated by his appearance , I think .  
 Person1:        Don't be so jealous . He never speaks ill of you before me . 

informal