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'.

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 .

A: informal
****
Q: Person1: Have you any tour route to Budapest ?
Person2:Yes , I have , sir . How long are you going on vacation ?
Person1: About 2 weeks .
Person2:I recommend you this route . We call it golden routes for the sightseeing spots .
Person1: Well , will you offer me any reduction since it's a out-of-season tour ?
Person2:Of course , we will , sir .

A: formal
****
Q: Person1: Have you ever thought of going to Africa ?
Person2:No , it might be dangerous there .
Person1: Would you like to go with me ?
Person2:I'd like to , but I'm tied up with my paper .

A:
formal
****