instruction:
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'.
question:
Person1: I ' Ve got this really neat idea , you can hire a car and drive straight there .
Person2:Are you nuts ? What would my friends think if they see me in a hired car ?
Person1: But that ' s the quickest way to make your plans work .
Person2:Oh this is hard ! Well , I ' ll see what I can do .
answer:
informal

question:
Person1: Good to see you . Come on in .
Person2:Thank you . Here's a present for you .
Person1: Oh , you shouldn't . But thank you very much .
answer:
informal

question:
Person1: I really want to get something to eat .
Person2:What are you going to get ?
Person1: I don't know what I want to eat .
Person2:Well , do you want burgers , Chinese food , or Mexican food ?
Person1: Chinese food sounds good .
Person2:Where are you going to get it from ?
Person1: I haven't the slightest idea .
Person2:I usually get my Chinese food from Panda Express .
Person1: You like Panda Express ?
Person2:The food there is actually pretty good .
Person1: Maybe I'll go there then .
Person2:You should . I know you'll like it .
answer:
informal