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:       Hey , Teresa , meet the new neighbors yet ? 
 Person2:Actually , i popped in them last night . 
 Person1:        OK , let's cut to the chase . what are they like ? 
 Person2:Well , they're really beautiful people . 
 Person1:        I'll say , she is really stacked , isn't she ? 
 Person2:Yeah , she is a neck-off for sure . 
 Person1:        And he looks like a typical jog . 
 Person2:He is a professional football player . 
 Person1:        Ah-ha , I thought so . 
 Person2:Anyway , that is not what I meant by beautiful . 
 Person1:        What did you mean ? 
 Person2:I meant that they're very simple , easy to talk to . 
 Person1:        That's right . 
 Person2:Yeah . I think things are worked out just fine . 

formal