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:       Where should I park ? 
 Person2:Do you have a car or motorbike ? 
 Person1:        I drive a scooter 
 Person2:In that case , you can park either in a student lot or on the street . Are you aware of the marked handicapped spots ? 
 Person1:        No , I haven't seen those spots . 
 Person2:The handicapped logo with blue means that you are not to park there unless you have a handicapped permit . Will you mostly be parking during the day or the night ? 
 Person1:        I park in the daytime . 
 Person2:Make sure you pay special attention to the street signs with time limits . Have you noticed those signs ? 
 Person1:        No , I have not seen the signs . 
 Person2:Pay attention to what the signs tell you in terms of time limits and what days you can park there . Do you know what the curb colors mean ? 
 Person1:        No , I don't know what the curb colors mean . 
 Person2:Just remember that red means absolutely no parking and white means loading and unloading only . I think you'll be good to go ! 

formal