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:       What ’ s your new job like ? 
 Person2:Oh , it ’ s fine . I ’ Ve got a very nice secretary and a large pleasant office . 
 Person1:        Um . 
 Person2:And a company car . 
 Person1:        Very nice . 
 Person2:Yes , it is . But I ’ Ve got a lot of work too . 
 Person1:        Well , that ’ s life , isn ’ t it ? 

informal