Instructions: 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: Hi , how is it going ?
Person2:Pretty good , Sam . Only the awful weather , you know .
Person1: That ' s right . I ' Ve never really liked it since I got here .
Person2:Me either , but I ' m dealing with it anyway .
Output:
formal