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:       This is a nice place , but you need to get some furniture .  
 Person2:I had planned to . I can bring some from my place . And there's some more at my parents ' .  
 Person1:        Do you have a bed ?  
 Person2:Of course , I have . There is one in my old house . And I have another one from college at my parents ' house .  
 Person1:        That's good . You can put one in this room and put the other one in that room .  
 Person2:Yeah , it is a good idea . You can stay in my house for the night if you would like to .  
 Person1:        Yeah . By the way , can I take a shower ?  
 Person2:Sure , but I don't have hot water , yet .  
 Person1:        Really ?  
 Person2:No , they're coming tomorrow morning to turn the gas on . My phone should be working then , too .  
 Person1:        Well , do you want to go outside for dinner ?  
 Person2:Yeah , I can't cook anything until tomorrow , anyway . Let's go to the restaurant nearby . It's my treat .  
 Person1:        OK . Let's go . 

informal