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'.
Q:  Person1:       All the routine work really browns me off .  
 Person2:Oh , come on.You ' Ve just started .  
 Person1:        I wish I hadn't chosen this job . 
A: 
informal