Detailed Instructions: 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'.
See one example below:
Problem: Person1: Hey man , you wanna buy some weed ?
Person2:Some what ?
Person 1:Weed ! You know ? Pot , Ganja , Mary Jane some chronic !
Person2: Oh , umm , no thanks .
Person1: I also have blow if you prefer to do a few lines .
Person2: No , I am ok , really .
Person1: Come on man ! I even got dope and acid ! Try some !
Person2: Do you really have all of these drugs ? Where do you get them from ?
Person1: I got my connections ! Just tell me what you want and I ' ll even give you one ounce for free .
Person2: Sounds good ! Let ' s see , I want .
Person1: Yeah ?
Person2:I want you to put your hands behind your head ! You are under arrest !
Solution: informal
Explanation: Based on the conversation, we can see that there is a presence of exclamation which is not present in a formal discussion. Therefore this is an informal conversation

Problem: Person1: Is this the Friendship Hospital ? Please send an ambulance to 68 Hu Nan Road .
Person2:Is it urgent ? Our ambulances are not enough to meet every call .
Person1: Of course . It's urgent . I think the partie nt is suffering from acute appendicitis . He may die if not treated in time .
Person2:All right , we'll come right away .
Person1: ( after a while ... ) Where's the patient ?
Person2:He's there in the room . He's very ill .
Person1: Don't worry . We'll put him in the stretcher . You are coming with us ? Step in please .
Person2:Carry him into the emergency ward . Here we are .
Person1: Help the patient bathe and change his clothes , nurse . Then bring him into the operating room .
Person2:( after a while ... ) I'm his guide . What's the trouble with him , doctor
Person1: He had appendicitis , but is all right now that it was removed . He'll have to rest for a few weeks to recover .
Person2:May I send food for him ?
Person1: No , outside food is not permitted .
Person2:Can I come round to see him tomorrow ?
Person1: Yes . But first you must observe the visiting hours , It's from 2 to 5 p . m . By the way , consult the nurse before you enter the ward .
Person2:Yes . Thank you .
Person1: By the way , you can bring some flowers .
Person2:OK .
Person1: Don't worry about him .
Person2:When could I take care of him ?
Person1: Our nurse can take good care of him .
Solution:
formal