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'.

[EX Q]: Person1: Hey , Zina . You're here early today .
Person2:Yeah , I'm going to be making phone calls all day . What a blast .
Person1: I just wanted to say thanks for putting us on the map so fast . I appreciate it .
Person2:Save it , Vince . After I put my first million in the bank , I'll say you're welcome .
Person1: Fair enough.Keep up the good work .
[EX A]: informal

[EX Q]: Person1: Who is responsible for the accident ? Is it Tony ' s fault ?
Person2:No . I don ' t suppose he ' s to blame . The man in the other car made a big mistake .
Person1: You mean Tony is the victim ? No , I don ' t think so . He ' s equally responsible because he tried to overtake you .
Person2:Yeah . I think everyone should go easy on driving .
[EX A]: formal

[EX Q]: Person1: What's that ?
Person2:It's my new pendant . Do you like it ?
Person1: Is that Hello Kitty ?
Person2:Yes , in a monkey suit . It's adorable !
Person1: Is it real gold ?
Person2:Yeah . Two-toned , white and yellow .
[EX A]:
informal