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'.

Input: Consider Input: Person1: Hey Michelle . Good to see you . Are you at lunch ?
Person2:Oh hi Jim . No I just got back . I thought you were on vacation now .
Person1: No , I wish I was ! I just got back from Spain actually .
Person2:Oh wonderful ! Have you been there before or was it your first time ?
Person1: My first time . I've traveled around Europe a lot , but this was my first time to Spain . It was amazing , and the weather was just beautiful ! No rain , and just sun , sun , sun ...
Person2:I'm so jealous of you . I've never been anywhere in Europe . I've always dreamed of traveling around and seeing the sights .
Person1: Well , I really recommend Spain . You really should go . Anyway , it's been great to catch up , but I must be going , this is my floor . Speak again soon I hope .

Output: informal

Input: Consider Input: Person1: Emily , are you getting rushed by a sorority ?
Person2:More than one . I think the count is now three , if I remember correctly .
Person1: Wow . I'm getting rushed too , but just one . Are you thinking of joining any of them ?
Person2:I don't know . I know there are advantages to joining , but I'm not much into group stuff .
Person1: The guys I've talked to say that the activities that go on in a frat house can be a little distracting depending on the group .
Person2:I think I'm going to decline . I just prefer to do my own thing .
Person1: Were your parents involved in that kind of thing at all when they went to school ?
Person2:My dad was , but not my mom .

Output: formal

Input: Consider Input: Person1: I'd like to order broadband internet for my laptop .
Person2:Just plug the Ethernet cable into your computer , and a prompt will tell you the payment options .
Person1: Well , I don't have an Ethernet port . My computer runs entirely on wireless service .
Person2:That's too bad . But there are several alternatives , if you want to hear them .
Person1: Yes , please ! Tell me about the alternatives .
Person2:We run a fully equipped computer lab on the first floor .
Person1: Very good . How much does that cost ?
Person2:The service is free to hotel patrons . However , printing costs ten cents per page .
Person1: I see . And the other alternatives ?
Person2:Alternatively , we do offer wireless in our lobby . You can bring your laptop down here .
Person1: Great ! What if I need to print something in the lobby ?
Person2:You would have to use the computer lab . I'm sorry for the inconvenience .
Output: formal