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:       I plan to emigrate to Canada .  
 Person2:Have you found a suitable job ?  
 Person1:        No . But it is said the welfare in Canada is very good .  
 Person2:But as to me finding a good job is the most important thing .  
 Person1:        Maybe you are right , so I will try my best to find a suitable job . 

formal