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:       Currently we are looking for business opportunities in northeast China . 
 Person2:What kind of business do you do ? 
 Person1:        We send analysts to companies that run into financial difficulties . 
 Person2:What kind of clients do you prefer ? 
 Person1:        Smaller local companies . We specialize in trade & shipping industry . 
 Person2:I used to work for a shipping company for six years , and I am quite familiar with some managers . Would your like to meet them ? 

formal