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: Hi Julie , how are things going ?
Person2:Everything is great , Tad . How are you ?
Person1: I'm doing really well .
Person2:Tad , I'm pretty hungry right now . Want to walk over and check out the food table ?
Person1: Julie , do you know who that woman is over there by the window ?
Person2:That is Mary . I heard that she's just moved in with Lee .
Person1: I thought that he was with Malia .
Person2:Oh , that relationship is history . Malia hooked up with a guy she met on holiday .
Person1: I bet that Lee wasn't too happy with that !
Person2:Actually , he was OK with it . They hadn't been getting along too well .
answer:
informal

question:
Person1: Hello , Tom !
Person2:Hello , Steven !
Person1: How are you doing ?
Person2:Not bad . What about you ?
Person1: I'm just a little tired .
Person2:Why ?
Person1: I have a lot of work to do in the company recently .
Person2:How is your family ?
Person1: Pretty fine , thanks .
Person2:Where are you going now ?
Person1: I am going to buy a new air conditioner for my parents . Oh , it ' s two o ' clock . I must go now .
Person2:OK , see you next time .
Person1: See you .
answer:
formal

question:
Person1: Mom , can you talk about the philosophy of life with me ?
Person2:You got me on that one .
answer:
formal