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: I need some flowers for my girlfriend .
Person2:No problem . Would you like some artificial carnations ?
Person1: Oh , no . Carnations are not very elegant.Artificial flowers have no passion .
Person2:How much did you want to spend ?
Person1: Money is no object .
Person2:Our most elegant flower is Golden Lily .
Person1: I will take ten .
Person2:Do you want to add some baby ' s breath for that ? They are equally popular now .
Person1: Of course . Can I have it delivered to my girlfriend's house this afternoon ?
Person2:Yes , but there is a five dollars delivery charge .
Person1: That's ok . Here is the address .

A: formal
****
Q: Person1: Can I help you ?
Person2:Yes , I'm looking for a house .
Person1: To buy or to rent ?
Person2:Oh , to rent .
Person1: How much do you want to pay ?
Person2:About 300 a month .
Person1: Well , I've got one here . It's 260 a month .
Person2:How big is it ?
Person1: It's got a kitchen , a bathroom , and one bedroom .
Person2:Well , actually I prefer something a bit bigger if that's possible .
Person1: Yes , I think so . There is also an interesting one.It ' s opposite the park .
Person2:How much is it ?
Person1: It's 325 a month . It's the biggest we've got in this area .
Person2:What's it like ?
Person1: Well , There're two bedrooms , a sitting room , a kitchen and a bathroom .
Person2:It sounds interesting . Can I go and see it ?
Person1: Of course , Sir .

A: informal
****
Q: Person1: What would you like for your main course ?
Person2:Steak , please .
Person1: How would you like your steak ? Rare , medium-rare or well-done ?
Person2:Well-done , please .

A:
formal
****