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'.

Ex Input:
 Person1:       I need help in ordering my office supplies .  
 Person2:You can print out a copy of the Order Supply Form from our company web site and turn in into me . What will you be needing ?  
 Person1:        I need ink cartridges , staples , and Post-its .  
 Person2:Will you need all of them right away or can some wait ?  
 Person1:        Some of these can wait but there are a few things that I need right away .  
 Person2:You can only buy supplies that you have a budget for . Do you know what your budget is ?  
 Person1:        We have plenty of money for office supplies .  
 Person2:You can pick these supplies up or they can be delivered to your building . Which would you prefer ?  
 Person1:        I want to pick them up .  
 Person2:Well , just finish the request and we will contact you when the supplies come in . Have a good day !  
 Person1:        You too ! 

Ex Output:
informal


Ex Input:
 Person1:       Have you ever seen coco ?  
 Person2:I've seen her on TV but not in the flesh .  
 Person1:        I'm so familiar with her songs , but I don't know what kind of person she is in real life . 

Ex Output:
formal


Ex Input:
 Person1:       Hey , daughter . Let me ask you something .  
 Person2:Yes , Dad ?  
 Person1:        Do you have life insurance ?  
 Person2:Well , no . It just seemed like another bill we ’ d have to pay .  
 Person1:        You have children now . What if something , god forbid , happens to you ?  
 Person2:That's true . Well , how much do you think I should get ?  
 Person1:        A 10,000 dollar policy shouldn ’ t be too expensive . Here , call my agent . He will give you a good deal . 

Ex Output:

formal


