instruction:
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'.
question:
Person1: Hi Mark .
Person2:Hi .
Person1: What are you planning to do today ?
Person2:I'm not sure yet .
Person1: Would you like to have lunch with me ?
Person2:Yes . When ?
Person1: Is 11:30 AM OK ?
Person2:Sorry , I didn't hear you . Can you say that again please ?
Person1: I said , 11:30 AM .
Person2:Oh , I'm busy then . Can we meet a little later ?
Person1: OK , how about 12:30 PM ?
Person2:OK . Where ?
Person1: How about Bill's Seafood Restaurant ?
Person2:Oh , Where is that ?
Person1: It's on 7th Street .
Person2:OK , I'll meet you there .
answer:
informal

question:
Person1: Hey , Ted . What are you up to this Friday ?
Person2:Well , I have the day off from work .
Person1: That ' s great ! Do you have any plans ?
Person2:Well , I ' Ve been working so hard lately , so I ' ll probably just take it easy .
Person1: Sounds nice .
Person2:Yeah , I ' ll probably just stay in and relax . Maybe watch a few movies .
Person1: Can I stop by ?
Person2:Sure . Any time .
answer:
informal

question:
Person1: So , what do you think ? How do you like New York ?
Person2:I'm having a great time . I love it . I'm glad we came .
Person1: Yeah . I really like the stores and the shopping .
Person2:I love the museums , too .
Person1: But the traffic is pretty bad .
Person2:Yeah . I hate all this traffic . It's really noisy .
Person1: Listen , it's almost dinnertime.There are lots of restaurant around here.What do you want to try ? Italian ? Greek ? Japanese ? Thai ?
Person2:I can't stand making decisions . You choose !
Person1: OK . Let's go American . Where's the nearest McDonald's ?
answer:
informal