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: Hey , Philip ! You won ' t believe this !
Person2:What ? What ' s the good news ?
Person1: My son , Harvey just got into Harvard ! He starts next September .
Person2:That ' s wonderful ! You must be really proud of him !

A: informal
****
Q: 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 .

A: informal
****
Q: Person1: Mr . Blake ? Mr . Foster ' s on the phone . He ' d like to know if you can send over those training manuals ?
Person2:Oh , tell him I ' ll leave them at his office tomorrow afternoon .
Person1: He was hoping that you could drop them off this afternoon .
Person2:I ' m afraid that I can ' t do that . They ' re at the printer ' s being copied . They ' ll be back tomorrow before 1 o ' clock .

A:
formal
****