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:       Can you tell the result ? 
 Person2:It's love all . 
 Person1:        Now the score is in our favor . 
 Person2:Can you tell which team seems to win ? 
 Person1:        Hard to say.Now the score is in our favor . 
 Person2:Yes.Our guest team is really tough . 
 Person1:        They're still fighting hard.Let ' s wait and see . 

formal