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'.

[Q]: Person1: Look ! There's even a built-in handle to carry it with .
Person2:But it's so thin . There's no way that it comes with a CD-ROM .
Person1: Oh , yes , it does . Look , here it says that the CD-ROM is built-in !
Person2:What other features are listed ?
Person1: It says that it comes in teal and tangerine .
Person2:Totally cool colors !
Person1: And it says that it sleeps .
[A]: formal

[Q]: Person1: Fred , have you made the plan for April 28th ?
Person2:Yes , sir . Shall I explain the details of the plan now ?
Person1: You go !
Person2:According to your schedule , you will visit the Times Company , including its office building , workshops and stores , in the morning from 8: 30 to 11
Person1: Is there anything after the meeting ? In that case , would you add one plan ? I want to visit our guest Mr . Ross after the meeting . Can you arrange it for me ?
[A]: formal

[Q]: Person1: What is the best place to park ?
Person2:What vehicle do you usually bring to school ? Is it an automobile or a motorbike ?
Person1: I drive a motorcycle .
Person2:OK . That means you can park in the student lot or on the street . Have you seen the handicapped spots ?
Person1: I am not sure what a handicapped spot is .
Person2:Look for the blue signs and blue marked spaces . Do you usually park in the daytime or the evening ?
Person1: I park days and evenings .
Person2:Be careful about the time limits on the streets . Have you seen the signs for time limits ?
Person1: What signs ?
Person2:As long as you are careful reading the signs , you will always know how long you can park and what days are OK to park there . Are you aware of the curb colors ?
Person1: What curb colors ?
Person2:If you can remember that red means absolutely no parking and white means that you can only load and unload , you are going to be OK .
[A]:
formal