Definition: 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:  Person1:       Did you enjoy your weekend at the highland hotel ? I heard it ’ s and excellent place to stay and has good facilities .  
 Person2:I had a wonderful time . The rooms are not very big , but they are well furnished . The restaurant is excellent and reasonably priced . There ’ s a sauna and a Jacuzzi .  
 Person1:        Do they have a swimming pool ?  
 Person2:No , they don ’ t . they have a beauty parlor , but I didn ’ t go there .  
 Person1:        What ’ s the service like ?  
 Person2:It ’ s very good . Check in and check out at the reception only took a few minutes . The wait staff is very good . A waiter recommended their baked fish , which tasted wonderful . The hotel was quite full , so I ’ d suggest making a reservation if you intend to go there . The hotel offers a discount at the weekends .  
 Person1:        It sounds perfect . Did you have any complaints at all ?  
 Person2:There was a problem with the internet access , so I couldn ’ t check my email , but I didn ’ t complain about it to the management .  
 Person1:        I suppose you were happy to forget about the outside world .  
 Person2:Yes , I was . Here ’ s their business card .  
 Person1:        Thanks . Was there a mina bar in the room ?  
 Person2:No , there wasn ’ t . There is a bar on the ground floor and of course you can buy drinks in the restaurant to go with your meal .  
 Person1:        One of the things I dislike about hotels is that everyone expects tips .  
 Person2:I know . At the inland hotel , they have an interesting policy . When you check out , you put some money in a special box at reception . Each evening , the money in the box is shared equally by the hotel staff . 

informal