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:       May I take your order now ?  
 Person2:Yes , I'll have a boiled egg with toast and orange juice , please .  
 Person1:        How would you like your eggs ?  
 Person2:Hard-boiled , please .  
 Person1:        And your toast , light or dark ?  
 Person2:Dark , please .  
 Person1:        Now or later ?  
 Person2:Later will do .  
 Person1:        Will there be anything else ?  
 Person2:No , that's all . Thanks .  
 Person1:        One hard-boiled egg with toast and orange juice to follow .  
 Person2:That's right .  
 Person1:        Just a moment , please . 

informal