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:       DO you have any plan for your future ? 
 Person2:I'd prefer to go abroad , if possible . 
 Person1:        Many people are striving for going abroad nowadays.It seems to be a trend . 
 Person2:I'm one of them . 

formal