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: What a lovely day , isn't it ?
Person2:Yes , it's nice and bright .
Person1: I hope it stays like this .
Person2:I hope so too .
Person1: Is the weather usually like this here ?
Person2:It's usually a bit hotter than today .
Person1: What's the weather like in winter ?
Person2:It's pretty cold and it often snows .
Person1: I wonder what it ' s going to be like tomorrow .
Person2:Let's hear the weather report later . What's the weather like in your hometown ?
Person1: Neither too cold , nor too hot .
Person2:That's quite a lovely weather .
Person1: Yes , especially in spring .
Person2:Have you ever seen a hurricane ?
Person1: Once , when I was a child .
Person2:Do they often happen in your country ?
Person1: Now and then .
Person2:Oh , it's time for the weather reporter . Let's turn on the TV .
A:
informal