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:       What is my schedule for today , Miss Liu ?  
 Person2:Yes , you are supposed to meet the president at ten fifteen this morning . Then , you have a lunch appointment with Mr . Clark . And this afternoon at three you are scheduled to speak before a group of seminar participants .  
 Person1:        Do you have the meeting report ready ?  
 Person2:Certainly . 

formal