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:       Are you ready for the big competition today , Todd ? The winner gets two tickets to the Sydney Olympics !  
 Person2:Steve , I was born ready ! I ’ m going to blow you guys off the treadmill today .  
 Person1:        We ’ Ve still got a lot of time before we have to start running .  
 Person2:Let ’ s hit the whirlpool for a bit . It ’ ll help me loosen up .  
 Person1:        You bet . I used to take a whirlpool almost every night back home . 

formal