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:       The bracelet is so well suited to you . It looks very nice .  
 Person2:Yeah , I cherish it . Because I have been working like a dog for two months to buy it . 

informal