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: Good morning ! My name is John White , import manager of the Garden Trading Company of New York .
Person2:Oh , how do you to Mr . White ? My name is Li Ming , here is my card .
Person1: Nice to meet you Mr.Li . We have learned about that you specialize in the export business of electronic products . As you enjoy the highest reputation in the commercial circle , we'd be please to enter into business relations with your firm .
Person2:We share the same desire . Have you seen the display of our products in the exhibition hall downstairs ?
Person1: Yes , I had a look just now , I feel we can do a lot of business in this line .
Person2:Sure , we can . You know , we are been in the line for more than twenty years , and I think our price are competitive comparing with those in the world market .
Person1: Our company enjoys a history of more than twenty years , we have wide connection with wholesalers and retailers all over the America , and we have good reputation in the commercial circle .
Person2:Thank you for your information , we can hold more talks later on business details .
Person1: Sure .
[A]: formal

[Q]: Person1: How do you spend your free time ?
Person2:I read or go swimming , go shopping , usually . I run or play tennis or do something else like those to get some exercises to keep fit .
Person1: Are you introverted or extroverted ?
Person2:I wouldn't call myself extroverted . Sometimes , I enjoy being by myself very much . But other times , I like sharing activities with others too , especially during these last few years .
Person1: What kinds of sports do you like ?
Person2:I like almost all sports , and I enjoy both playing and watching . I especially like tennis and mountain climbing .
Person1: What kind of personality do you think you have ?
Person2:Well , I approach things very enthusiastically , I think , and I don't like to leave something half-done . It makes me nervous-I can't concentrate on something else until the first thing is finished .
[A]: formal

[Q]: Person1: is this seat taken ?
Person2:no . please sit down .
Person1: thanks .
Person2:are you also going to Beijing ?
Person1: yes , on a business trip . How about you ?
Person2:I'm taking a vacation to visit a friend there . Have you ever been there before ?
Person1: yes , I went there once last summer .
Person2:really ? What did you think ?
Person1: I think it is amazing . You can enjoy both the traditional Chinese culture as well as the vitality of a modern cosmopolitan city . The only thing I didn't enjoy was the subway .
Person2:was it that crowded ?
Person1: yes . There were always so many people . After taking the subway during the rush hour , you ' ll envy sardines in their cans .
Person2:oh , maybe I can take the bus or even rent a car .
Person1: that's a good idea . Wish you a great vacation !
Person2:thank you very much !
[A]:
informal