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:       Some people are easily flimflammed .  
 Person2:Maybe they are still wet behind ears .  
 Person1:        They are blind with bucks . Blind people are more easily conned , fo course .  
 Person2:Sure . Many people , including men and women , and be easily ripped off . 

informal