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:       Hi , Lander . What's wrong ? 
 Person2:I can hardly make ends meet these days . 
 Person1:        Same here . I have't brought any new clothes for three months . 
 Person2:My income remains the same but prices just continue to rise . 
 Person1:        True . The news says that there is a general increase in the price of daily necessities . 
 Person2:Definitely . I have to spend 300 yuan more on food every month . 

formal